How to Do Implicit Differentiation (NancyPi)

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  • Опубликовано: 24 дек 2024

Комментарии • 1 тыс.

  • @niconovatore7912
    @niconovatore7912 5 лет назад +382

    Nancy > my calculus professors at uni.
    Thank you for doing these.

  • @nathanielhopetucker7673
    @nathanielhopetucker7673 3 года назад +514

    NancyPi's constant "I'm about to fall asleep" energy is me 100% of the time

  • @haninabdullah6890
    @haninabdullah6890 4 года назад +475

    online classes is hard without proper teaching, thank you Nancy! i love how you explain every step of the way no matter how obvious it is because sometimes they can be missed out.

    • @johnmichaels6464
      @johnmichaels6464 3 года назад +6

      OMG, I agree. I was dying inside during my first lesson of this in my online class, RUclips suggested this and it's magic! Thank you Nancy!

    • @EscravaAnastacia
      @EscravaAnastacia 3 года назад +4

      right!

    • @blackburgundy1659
      @blackburgundy1659 2 года назад +7

      U try having a teacher that barely speaks English, try and record videos with a cheap mic, and literally only reading off notes he made, he does nothing else lmao he just reads notes

  • @tonygomez1572
    @tonygomez1572 3 года назад +26

    I originally took calculus 40+ years ago. At 71 years old I started reviewing my calculus so I could learn advance electronics. The book I am using is somewhat confusing and it takes several days of going over what they are trying to explain. Now I came across your videos and the explanations are more clear and easy to understand. Thank you for the help, Nancy. I am looking forward to more advanced topics.

  • @markbenn1907
    @markbenn1907 3 года назад +154

    Math has never been so calming. The explanation made a lot of sense thanks!

  • @matthewgraham4380
    @matthewgraham4380 5 лет назад +55

    Nancy. Thanks for taking the time to take your time. The biggest problem with seated lectures is that the teacher knows the material so well that they go through it really fast. I never have time to fully comprehend what's going on. Going slow and explaining your steps is so incredibly helpful!

  • @bobmorone461
    @bobmorone461 2 года назад +61

    Nancy. I'm a retired engineer and just love studying math and science as a hobby. Your videos get to the point, are clear, concise and packed with information. You have increased my understanding of Calculus. Also love the way you fast forward writing out the details. A great service to those who are studying Calculus. Thank You!

    • @dalbiryeerh1045
      @dalbiryeerh1045 Год назад +5

      🤓

    • @idlesquadron7283
      @idlesquadron7283 Год назад +7

      @@dalbiryeerh1045 ok

    • @vhamemshazlm
      @vhamemshazlm 29 дней назад

      strange , i am retired physician and love studying math as a hobby , i thought i am the only one

    • @bobmorone461
      @bobmorone461 15 дней назад

      @@vhamemshazlm Your not the only one. There was so little time to study math in school. Now, in retirement, its a nice hobby trying to figure out the mysteries and make some sense of them.

  • @kdog3908
    @kdog3908 Год назад +37

    I'm in my 50's now and i've begun to realise that the difficulty in maths arises from failing to remember all the little rules rather than a failure to understand. Nothing in this video was difficult to understand, I would however repeatedly trip up over every little quirk that was highlighted! 😂😂
    Thanks Nancy!

    • @blueiceani6833
      @blueiceani6833 Год назад +4

      I had this same realization a little while ago. If you just remember the rules you'll do well

    • @pocolocoJOJO
      @pocolocoJOJO 3 месяца назад

      @@blueiceani6833 actually so true

  • @jodybrai
    @jodybrai 6 лет назад +665

    14:08 "I just did a bunch of calculus, and it's not my job" CLASSIC

    • @sunlin894
      @sunlin894 6 лет назад +10

      What does she mean"It's not my job"????. Yet, I understand Impl. Diff.

    • @jodybrai
      @jodybrai 6 лет назад +90

      @@sunlin894 She means that teaching maths on RUclips is just a hobby, not what she does for a living.

    • @jodybrai
      @jodybrai 6 лет назад +36

      @Chemist Me I think she's a physicist, actually. I feel like she has a video talking about her profession.

    • @stardaggerrihannsu2363
      @stardaggerrihannsu2363 5 лет назад +22

      @Chemist Me I know this might be radical to some guys, but she is a well educated woman who has a grand career ahead of her, an MIT grad as well as a RUclips phenom.

    • @Blox117
      @Blox117 5 лет назад +52

      @@stardaggerrihannsu2363 no shit sherlock, what is your point?

  • @klefrih2450
    @klefrih2450 4 года назад +44

    You are literally the only reason I’m passing calculus right now

  • @Diana-xh8ep
    @Diana-xh8ep 5 лет назад +259

    I got an A in my Trig class because your videos helped me so much ! I'm taking calculus now and I'm so happy to see this!!! THANK YOU

    • @akinpedro5469
      @akinpedro5469 5 лет назад +14

      @abood she cant get an F since Nancy is here

    • @sriyasodharmma4021
      @sriyasodharmma4021 4 года назад +2

      @@kingsergii5453 Don't be salty. Enjoy the comments.

    • @OGtrushalpatel
      @OGtrushalpatel 4 года назад +2

      KING SERGII it’s funny loosen up a bit damn

  • @emmahan9160
    @emmahan9160 3 года назад +4

    I don't understand how my uni profs can take the content from this 14-minute clear explanation, spin it into a 60-minute talk while delivering absolutely nothing but confusion.

  • @superpaulgarden
    @superpaulgarden 6 лет назад +80

    Coming back after a year off math to find Math BFF gone was a sinker, you and Khan got me through my first two years distance learning. Thankfully I found this channel and get instant revision in your familiar cool, calm manner and slightly downward sloping, backward handwriting! Please keep up the good work Nancy, for us non-math built people, you are a God send.

    • @cheshstyles
      @cheshstyles 6 лет назад +4

      Shout out to you paul, im in the same boat let's get it

  • @jonathanmoyer9661
    @jonathanmoyer9661 Год назад +5

    Honestly, much of what I've seen from your videos explain and teach calculus better and more concisely than a lot of the instruction I've gotten from college calculus professors. You're a life-saver, Nancy!

  • @caseyescobar4732
    @caseyescobar4732 4 года назад +759

    why hasn't anyone acknowledged the fact that Nancy is writing inside out

    • @Martin-X
      @Martin-X 4 года назад +103

      its mirrored after

    • @ArchIVEDCinema
      @ArchIVEDCinema 4 года назад +16

      @@Martin-X I think he meant that she's writing away from her body

    • @victorcollier9730
      @victorcollier9730 4 года назад +23

      Right, she's writing to her right which would go away from her body. Then it's flipped

    • @trevorstarr5218
      @trevorstarr5218 4 года назад +5

      @@Martin-X She's writing right to left ..

    • @Martin-X
      @Martin-X 4 года назад +8

      @@trevorstarr5218 yes but if you mirror the image it becomes right to left

  • @KCerros123
    @KCerros123 6 лет назад +1

    My professor is useless. He couldn’t explain this properly in over and hour. Thank you for making our lives easier.

  • @kegjnote
    @kegjnote 5 лет назад +8

    I honestly can't thank you enough Nancy. my professor is a small smelly balding man who shows his butt crack every time he tries to reach for the top of the white board, he coughs every 30 seconds (he's a heavy smoker), and he's all over the place, literally making it up as he goes. Your videos are pleasing in every way... perfect audio, great video quality, great examples and a clear purpose to everything you say, do and show! You make calculus stupid easy, because it is. Everyone who thinks math is hard either didn't try hard enough or had a poor instructor.

  • @robayoussef6585
    @robayoussef6585 6 лет назад +1

    You saved me, I have a teacher who I never understand a single word from her and mathematics is my major.. thank you so much, wish you all the happiness !!

  • @michaelsgallery4875
    @michaelsgallery4875 6 лет назад +27

    When the teacher covered it, it made no sense and seemed a beast of a concept! Now thanks to you it is a small kitten! Thank you!!!!

  • @a.guzman1512
    @a.guzman1512 10 месяцев назад +1

    Your calm, clear, step by step explanations helps me calm down and actually pay attention and not worry about missing something. Some instructors talk way to damn fast. Thank you.

  • @rebecca3784
    @rebecca3784 4 года назад +3

    Nancy you are my saviour. Thanks to you, I will get through my master's degree

  • @doloressanchez-gurule6373
    @doloressanchez-gurule6373 Год назад

    You are the FIRST person that explained what the heck this all means. I have seen the light! Thank you!

  • @sakimaos.3470
    @sakimaos.3470 5 лет назад +7

    I admit NancyPi's math skills are superb.....BUT IS NO ONE GONNA SAY HOW AMAZING IT IS THAT SHE IS WRITING BACKWARDS AND FACING US???? THAT IS TRUE SKILL.

  • @lilywaterman5717
    @lilywaterman5717 4 года назад +2

    I forgot about the product rule and your video is the only implicit differentiation video that mentions it! Thank you for saving my calc grade!!

  • @sagi456
    @sagi456 6 лет назад +3

    This is the first time I have seen one of your videos Nancy. I very rarely comment on any videos, but I have to say that I think you are simply amazing! I am sure it must take so much concentration effort, being able to write everything backwards, while still keeping it all together and explaining everything in such a clear and calm manner AND never forgetting to switch between the two colors (every single time!). I have subscribed and am sure to watch your other videos as well as soon as they become relevant during my studies, Thank you so much for preparing and uploading this very professional video, much appreciated!

    • @RC_mentoring
      @RC_mentoring 6 лет назад

      so im not crazy, how do you even do that and keep it together. writing mirrored is a huge skill

    • @NanoTellez
      @NanoTellez 5 лет назад +1

      She's not writing backwards. It's a simple post-editing trick to flip the image. Lots of people doing videos with a clear board these days, so it's a fairly well-known process. Other than that, you're spot on that her video was extremely well-done.

    • @sagi456
      @sagi456 5 лет назад +1

      @@NanoTellez Thanks for making me feel like a fool 😂 I really didn't think about the option.. So Nancy is also not left handed 😉

  • @brendachristmann5538
    @brendachristmann5538 Год назад

    Girl, you rock. I would easily pay to have more of your content about calculus. Most of the classes or books I've been reading overcomplicate much of the content. You teach it using simple terms and language, making it easier to understand. Literally turning water into wine. Thank you

  • @gabytorres1848
    @gabytorres1848 4 года назад +14

    i watched the khan academy videos like 5 times and I watched this one once and I understood thank you nancy!

  • @FlopIsTheName
    @FlopIsTheName 5 лет назад +1

    Saw this tuesday for the first time and panicked, read the whole chapter and had no clue. Just watched this for 14 minutes and it's clear as day. Thank you so much!

  • @culkinesgra2653
    @culkinesgra2653 3 года назад +6

    Hi Nancy, I hope you read this. You inspire a lot of us, and I hope you could soon make other videos for the Integrals, Advanced Math, and all of those sorts.. You rock! :)

  • @ahmedalshalchi
    @ahmedalshalchi 6 лет назад +1

    My best math teaching channel yet.

  • @brittniep9219
    @brittniep9219 5 лет назад +17

    Great videos always! Super helpful as a Calc 1 student to see other ways of thinking about and doing derivatives, limits, etc! :)

  • @markt4834
    @markt4834 3 года назад

    Lucid explanation, and great examples!! Watched this a few months ago when helping my kiddo with calculus homework (I have 4 years of calculus classes... 25 years ago and forgot most of the mechanics.) Well, helping her study for AP exam yesterday, implicit differentiation problem came up that she couldn't solve... NancyPi to the rescue again!

  • @jackiew144
    @jackiew144 4 года назад +5

    Nicely done, NancyPi. I like that you add points where you see some students get tripped up. I tutor math and will be sharing your videos with students! Thanks!

  • @sidewinderenigma
    @sidewinderenigma 5 лет назад +2

    I'm doing Calculus online through WGU, and your videos have been a major game changer in how to understand this vs just reading about it. Thank you!

  • @joshkeeper163
    @joshkeeper163 6 лет назад +16

    Hi I really like the way you explain. I wish you could make a full course on calculus 1,2 & 3 with quizes and all.

    • @jdmfan4134
      @jdmfan4134 2 года назад +1

      Wouldn’t that be nice 😂

  • @dugunu34
    @dugunu34 3 года назад

    If all teachers Math were like Nancy not many students were struggling even scared about math. She makes everything simple. Thanks, Nancy.

  • @DecafMathASMR
    @DecafMathASMR 6 лет назад +93

    I like your half thinking/half explaining face--the rhetorical "does that make sense?" to the camera haha. Good job Nancy :)

  • @shaneshimabukuro6055
    @shaneshimabukuro6055 Год назад +1

    Thank you, Nancy, for helping me study, and thank you for helping my professor teach. She actually thought your teaching style was wonderful that she listed your video as an added resource to her lecture and text videos. Keep going because I think there are Professors that notice your teaching style is pleasant, so it is possible that a professor recommend that you become part of a university as I professor. I hope that you become a professor, so that you can teach while experiencing benefits that come with being a professor.

  • @nataliaandrade8099
    @nataliaandrade8099 6 лет назад +3

    I'm so glad you're doing so many more topics!

  • @alishahmohammadi3413
    @alishahmohammadi3413 2 года назад

    you are the best math teacher that i ever seen in my life

  • @serspeny1237
    @serspeny1237 6 лет назад +3

    I am struggling with BC, and your video helped me a great deal!

  • @DorotheaDw
    @DorotheaDw Год назад

    Honestly, just wanted to say THANK YOU! I never understood implicit differentiation from a conceptual standpoint until now! I've always thought it was just something I had to memorize, but this was the first time I understood it intuitively!

  • @ryanncushway8384
    @ryanncushway8384 4 года назад +68

    id rather pay you to teach this than my university. im literally learning NOTHING from the book or professor!! you should have some merchandise to sell or something.

    • @nicholasskjold989
      @nicholasskjold989 4 года назад +4

      you're not alone

    • @sisyphus645
      @sisyphus645 4 года назад +4

      You're not alone

    • @braz1080
      @braz1080 4 года назад +2

      ok simp

    • @ryanncushway8384
      @ryanncushway8384 3 года назад +12

      @@braz1080 i make a comment about how i would rather pay someone who does a good job at teaching a subject matter vs paying my university or my professor who doesnt help and you think im a simp? whatever troll. you are watching the video too because you are taking the same class and need the help.

    • @braz1080
      @braz1080 3 года назад +2

      defending yourself like a true simp

  • @monkeyonthecar9777
    @monkeyonthecar9777 5 месяцев назад

    Your videos on calculus are consistently well thought out and succinct. Thank you.

  • @readjordan2257
    @readjordan2257 4 года назад +9

    That cleared things right up for me.
    The thing that clicked the most is how Y represents an X value indirectly, and im like
    OH Duh!

    • @misan2002
      @misan2002 4 года назад +1

      yeah same for me

    • @rushiljain9423
      @rushiljain9423 9 месяцев назад

      Yeah when you she said to take the derivative with respect to "x", meaning just do the power rule, so I am naturally associating the power rule to finding for x first. And then just equal it to dy/dx because we are being "racist" towards y lol

  • @CreeperTheOriginal
    @CreeperTheOriginal 5 лет назад +1

    thank you so much you are the only who is thorough and clear enough. you helped me so much!

  • @y0n1n1x
    @y0n1n1x 3 года назад +3

    if nancypi made programming videos: nancypy

  • @lily7020
    @lily7020 4 месяца назад

    She is one of the best teacher I have ever had

  • @Salehalanazi-7
    @Salehalanazi-7 6 лет назад +4

    Welcome back!. Gonna use this video later in this semester thank you 👌🏻

  • @zack_120
    @zack_120 3 года назад

    Thanks Nancy for the crystal clear presentation. For the example x^2+y^2=36, one would get the same result by rearranging the function as y=sqrt(36-x^2) and take its derivative as usual, non-implicitly because y is singled out on the left. The result is dy/dx=(-x/sqrt(36-x^2), or. -x/y.

  • @مقتطفاترياضيةاخبارية

    Ms Nancy. I watch your videos from Iraq. Keep up the good work "You r my real math teacher". I appreciate you

    • @alisalih97
      @alisalih97 5 лет назад +1

      Me too ✌😂

    • @awesomecodeyay8382
      @awesomecodeyay8382 4 года назад +11

      First off, Panty Sniffer is a pervert. Secondly, Nancypi only has a few math videos. I don’t think she can ACTUALLY teach you an ENTIRE grade in these few videos. These videos are meant to help you with your course.

    • @L-VA21
      @L-VA21 4 года назад +9

      @Panty Sniffer her brain

    • @Veilkingdom
      @Veilkingdom 4 года назад

      يا سلام في عرب وانا فكرت اني الوحيدة😂

    • @YLprime
      @YLprime 4 года назад +2

      @@Veilkingdom How do u guys type that with the normal keyboard

  • @aabdille
    @aabdille 5 лет назад +1

    Thank you Nancy so much, I had to stop the video and write this comment only to thank you before I finish watching the video. This was something very difficult for me to wrap my head around it.
    THANKS MILLIONS.
    YOU DO AMAZING TUTS.

  • @funfootball2982
    @funfootball2982 5 лет назад +7

    Wow Nancy you explained what my math teacher couldn't thanks a lot

  • @xirensixseo
    @xirensixseo 3 года назад +1

    i grew up dyslexic. wasnt very good at academics. i could barely spell "time" by the time i was 9. i hope that rhymes.
    but yes i never expected, that back then i would barely be able to recognize y=mx+c, and now, im an engineering student, past imaginary numbers, past derivatives, watching this, and understanding it

  • @kristym7149
    @kristym7149 3 года назад +5

    Watching this at 10:30pm the night before my 8am AP Calc exam

  • @burmesepython1654
    @burmesepython1654 3 года назад +1

    I already know how to do this but I needed to destress and your voice is so calming

  • @3694omz
    @3694omz 5 лет назад +3

    My goodness Nancy. You teach way better than KhanAcademy. Thank you so much ❤

  • @michaelkleinbaculot430
    @michaelkleinbaculot430 6 месяцев назад +1

    Best calculus teacher ever!

  • @ozgurylmaz9187
    @ozgurylmaz9187 3 года назад +3

    I fell in love every time she said dy/dx

    • @suga2566
      @suga2566 3 года назад

      Baklang tooo

  • @jeffreychavey4161
    @jeffreychavey4161 2 года назад

    Your rationale for why and when to use dy/dx is something other instructors aren’t so good at. Thanks for the great video

  • @Hamiimarie
    @Hamiimarie 6 лет назад +10

    Hello. Just wanted to say your videos are helping me a lot. I’m really struggling in calculus, and your videos help. I was wondering, if you can maybe do a video on particle motion and optimization? Thanks

  • @18idlesuggest
    @18idlesuggest 3 года назад

    ive been skipping my calculus classes cause it's so early, which is impossible for me. Glad I have these tutorials to help me understand it 100x times better than what some of my professors ever could

  • @adamdintelman2067
    @adamdintelman2067 6 лет назад +217

    I lost it when she said "y-detector" lol

    • @vaiebhavpatil2340
      @vaiebhavpatil2340 5 лет назад

      When?

    • @1light4love
      @1light4love 5 лет назад +4

      *will be amusing herself with this during the final on Monday*
      (in buzz lightyear voice) 'you don't wanna be in the way when my y detector goes off... y'

    • @triple7marc
      @triple7marc 4 года назад

      @@vaiebhavpatil2340 7:59

    • @johnstaples5458
      @johnstaples5458 4 года назад +1

      😂🤣💀

    • @GabeRivas
      @GabeRivas 3 года назад

      lmfaooo me too

  • @71399
    @71399 2 года назад +1

    Thank you so much Nancyπ for the help , my problem was where to place the DY/DX when you have the power rule at 8:46 because my instructor explained things fast in class and I struggled for a for few days for trying to know where to place the DY/DX. Again thank you,
    may God bless you.

  • @rohanthomas5434
    @rohanthomas5434 5 лет назад +4

    This is super amazing. I was actually struggling in Implicit Differentiation.

  • @jonathanpacemusic
    @jonathanpacemusic 3 года назад

    I'm taking calculus right now and the only reason I understand anything is because I watch your videos. My professor is good and does a nice job but it just goes totally over my head. Then I come watch NancyPi's videos and suddenly it makes sense. So, thank you Nancy!

  • @hamzini0
    @hamzini0 5 лет назад +3

    Thank you so much for explaining it very slowly as if you know you need to teach it to someone dumb like me . which is a good thing . helped a lot!

  • @MathswithDineo
    @MathswithDineo 3 года назад

    Thank you so much for this Nancy. Being an ODeL student is hard. So people like you always make life a little easier

  • @ArleynH
    @ArleynH 6 лет назад +41

    thank you uploading your videos despite all those creepy morons in the comments!

    • @shockingblue8069
      @shockingblue8069 3 года назад +2

      I know right

    • @excuseyou7198
      @excuseyou7198 3 года назад +1

      Yeah, seeing those weirdos making creepy statements makes me feel uncomfortable. I just want to understand calculus lol.

  • @kickboxerinsj13
    @kickboxerinsj13 10 месяцев назад

    I could listen to her explain things all day

  • @mackenziecostner1701
    @mackenziecostner1701 6 лет назад +54

    Your channel is so under rated! You explain things so well! I watched your Q&A btw! I am on the East Coast too and I loveeeeeeeeeeeeeeee pasta!! lol

    • @Qbabxtra
      @Qbabxtra 6 лет назад +3

      Hey guys, we got a pasta LOOOOOVER over here!

    • @PoisonDwarf28
      @PoisonDwarf28 5 лет назад

      Mackenzie Costner nhi degi

  • @COSMICPOPCO4N
    @COSMICPOPCO4N 3 года назад

    Thank you very much Nancy!!!! I was able to save about 3-4 hours time just by watching your video. You are a 100 times better than my teacher.
    Love from India!!!

  • @aayushpashine9820
    @aayushpashine9820 6 лет назад +15

    Great explanation!!! Thanks

  • @kiwionpizza1336
    @kiwionpizza1336 4 года назад +2

    Holy shit, this was so helpful. My teacher could not explain this in a way that made sense for the life of her. Thank you!

  • @BananaSoares
    @BananaSoares 6 лет назад +5

    THANK YOU Nancy

  • @asherreid6567
    @asherreid6567 6 лет назад +2

    Your videos make cramming for my exam much easier

  • @Marshmallow_1111
    @Marshmallow_1111 4 года назад +6

    I cant even explain how helpful your videos are!!! I was having a really hard time in Calc this year doing online school. Thank you so much you basically taught me the whole first semester😭😭😭

  • @rumbidzailisah3390
    @rumbidzailisah3390 4 года назад +1

    The best teacher ever

  • @Korriban13
    @Korriban13 5 лет назад +3

    You are so helpful. Thanks.

  • @rodney4740
    @rodney4740 2 года назад

    OMG! Thank you so much, you're such a lifesaver. You went into detail explaining each step as any teacher should. My math professor is horrible at explaining how she do things. She just teaches us as if were already supposed to know the steps.

  • @apexhacker346
    @apexhacker346 5 лет назад +6

    Hi, i don't know how often you make videos a week or month but I have my second calc test next week. May you do a video on related rates?

  • @shiloharris7492
    @shiloharris7492 2 года назад

    I appreciate your explanation! I have other video teachers I watch and they do a great job at most things. I'm glad I have found your videos because you provide detailed explanations where others may skip over things they feel are "obvious".

  • @blizzaroxxx
    @blizzaroxxx 6 лет назад +15

    I miss you. Please do complex numbers

  • @chalkdirtytome
    @chalkdirtytome 3 года назад

    I've been struggling with implicit differentiation for days....this video made it perfectly clear to me. Thanks so much!

  • @wesrobertson1889
    @wesrobertson1889 6 лет назад +3

    OMG it was to factor out the dy/dx. Of course. Now I feel stupid after staring at this for 20 minutes. Nancy the witch! haha you and your sorcery. xD

  • @OveranalyzingEverything
    @OveranalyzingEverything 3 года назад

    I wish this was available a few years earlier when i was in calc class. now im sitting here relearning calc right before my FE exam. and the memories of struggles with calc are all flooding back. I find this a lot easier to understand than videos like from Khan Academy.

  • @cliffordwilliams9597
    @cliffordwilliams9597 5 лет назад +8

    Example:
    Implicit differentiation of 3x^3 + 5y^2 = 15:
    3x^3 + 5y^2 = 15
    (The differentiation is implied)

  • @Dunnston170
    @Dunnston170 5 лет назад +2

    I started watching your video sets on calc just before I started a course on it. Very helpful and easy to understand. Thanks a bunch!

  • @EmreYavuzalp
    @EmreYavuzalp 6 лет назад +10

    7:17 Creepy :O Btw, you make things look very simple lol xD Wish I could do like a pro in exams.

  • @charlesmitchell5841
    @charlesmitchell5841 2 года назад

    This girl teaches really well! I love the fast forward button when she is writing on the board. I wish she was around when I had calculus, I probably would have gotten A’s. 😅

  • @lucyjennifer2457
    @lucyjennifer2457 6 лет назад +4

    Why didn’t you do the derivative of that other y? I’m lost 🥺😭

    • @nolanmitchell3926
      @nolanmitchell3926 3 года назад +1

      because chain rule, d/dx (u.v) = u . dv/du + v du/dv

  • @yashvardhan8487
    @yashvardhan8487 4 года назад +1

    We all need a teacher like you in our school!
    BTW Great explalation.
    LOVE FROM INDIA.

  • @sheemie
    @sheemie 5 лет назад +5

    I’ve never been able to work out how she is able to write backwards.

    • @hudamursal4558
      @hudamursal4558 5 лет назад +3

      EightLeafClover she doesn’t

    • @kipngenokevin
      @kipngenokevin 4 года назад +1

      @@hudamursal4558 What happens then? How does she manage that?

    • @gamingninja_77
      @gamingninja_77 4 года назад +2

      She mirrored the video

  • @satakshi4256
    @satakshi4256 3 года назад

    Well explained!!!now the comcept is crystal clear to me😃😃😃

  • @esravisitor1631
    @esravisitor1631 6 лет назад +45

    Please Teacher Nancy explain absolute maxima and minima I’ll be thankful 😭🙏🏻🙏🏻🙏🏻

    • @teamgalaxybreaker
      @teamgalaxybreaker 5 лет назад +7

      the max and min are where the graph of the function reached either the highest or lowest point possible, for example, f(x)=x^2 has a minimum of (0,0) but no maximum because both sides continuously approach positive infinity

  • @pixies9145
    @pixies9145 Год назад

    Stucked on a question for so long, ur video helped a lot.Thanks a lot Maam.

  • @bryceyg9575
    @bryceyg9575 6 лет назад +30

    is she actually writing that backwards, or is it some camera play, if so what a talent.

    • @srlsigns7944
      @srlsigns7944 5 лет назад +27

      In her profile pic her hair is parted the other way so she records backwards and flips the video during editing so we can read it.

    • @justins7796
      @justins7796 5 лет назад +6

      @@srlsigns7944 holy crap you're observant mate

    • @coeniebre
      @coeniebre 5 лет назад +1

      @@srlsigns7944 No ! recorded normally and image is flipped as in photoshop.

    • @tok33n14
      @tok33n14 4 года назад +1

      SRL Signs lol just because her hair is flipped the other way? You can see that sometimes she slips up and doesn’t write the numbers as well as she does other words. So either her handwriting goes from good to 2nd grade level in an instant, or she’s recording normally.

  • @nazombie7935
    @nazombie7935 3 года назад +1

    Thank you Nancy!! I mainly been struggling with slope of tangent curve problems using implicit differentation to plug in the coordinates to. I got a final exam for calculus 1 saturday I am reviewing topics! I love your videos

  • @milenakhechoyan4954
    @milenakhechoyan4954 4 года назад +3

    i LOVE this girl!
    Thank you, you’re my savior lol 😂

  • @cassidydubyk9116
    @cassidydubyk9116 6 лет назад +1

    you have SAVED my calc grade