its simple way of solution in denominator when -sinx will multiply with x square then we get -x square sinx after it this - sign will multiply with + cos x 2x then it become - cos 2x 2x thenafter starting of 2x cosx is positive then easily this will be cancel out - cos x2x ,+cosx 2x
Kanhiya Kumar But see in the denominator when we do the differentiation of x square sin x we get the negative sign only with first term.. like this -x sqaure sin(x)+cos (x)2x and this cos (x)2x is positive not negavtive so it can not be cancelled with the ist term of our denominator i.e 2xcos (x) which is also a positive.. term
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@@minakshichikhale4523 -1/(1+ x ) its diff. Is 1+x (0) - {(-1)(0+1)} / (1+x)^2 = - 1/(1+x)^2 and when we put x=0 we will get - 1 hence sir is absolutely right in question no. 2
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Everyone criticising here Ofcourse he made mistakes but that doesn't mean you can insult him You should be grateful that he has uploaded so many educational videos on maths And If You found the errors in His solutions that because he taught you that . P.S. Sir ka samjhana bht psnd h mjhe ofcrse galtiya hui h but I'm sure ki ye jldbazi m hua h
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Thanks sir I know 0/0 form ki examples me kuch calculations miatakes hai but we r clg students 👦📖🎒 , And these things are easy 😎😬 to handle. The lecture which u 👉👤 gives us is very nice 😎👍 . So once again thanku
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sir 1 question mei jab 1st differentiation karenge toh x cut jayega upar aur niche aur fir 2nd bar mei 0/0 ka form nhi ayega , taking limits we get answer -1/3
By taking x common in 1 problem the answer is coming -1/3 which is true & sir I found in problem 1 that how you cancel 2xcosx which is in denominator, they both have positive sign. Please correct the answer. Waiting for the positive response...
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Sir , 2nd question ka answer 3/2 ayega sir , Aap minus ko into kr diye phir ap minus likh diye ho sir , 2nd vaale ka (3/2) ayega sir! Ap galat likhe ho! And video acha lga sir!
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Dear Student sorry for late response, we have noticed your Suggestion, Question, Doubt, we will get back to you soon, till then Make full use of this lockdown time and learn brand new work by visiting and subscribing to our associated channels. # 01 Craft4model ruclips.net/user/Craft4Model # 02 MotorlabEv's ruclips.net/channel/UCsCIpxfBWy2Su-X-piUngGAvideos # 03 Technical Ashok ruclips.net/channel/UCIhaXhujiwografnPf8FQXQ #04 Gr8Macrame Art ruclips.net/channel/UCOrTsWPUXgtvQTat5Gih5lwvideos Keep learning, see you next video Jai Hind, Vande Mataram?
cosx.2x mein 0 ko substitute karo toh ata hai -> cos 0*2*0 = 1*0 = 0. toh abhi dono cosx.2x ka value 0 hai toh abhi undono ka use ni hai so kt ho gaya.
There is mistake in 13.05- 14.10 min so please make it correct own self...sorry to all
Ok sir... Thanks.....
Ok sir
Ok sir
Don't worry sir it's ok🌝
Koi naa... It's okk
Answer for Q1 is -1/3 and answer for Q2 is 3/2
yes mera bhi same Pehele wala mai aaiya tha -1/3 aur dusre mai 3/2
yes u are right
yes right 👍
yes
Q1 -1/3
Q2 3/2
Same
Q1. -1/3
Q2. 3/2
Correct
Ha
Correct bro
how can u cancel cos2x to cos2x if both the terms are positive in denominator
answer of question no. 1 is 2/6 means 1/3 definatly...........and 2nd one is correct
not 1/3, it is -1/3
its simple way of solution in denominator when -sinx will multiply with x square then we get -x square sinx after it this - sign will multiply with + cos x 2x then it become - cos 2x 2x thenafter starting of 2x cosx is positive then easily this will be cancel out - cos x2x ,+cosx 2x
sir 2x cos2x will not be cancelled.... ..
Kanhiya Kumar
But see in the denominator when we do the differentiation of x square sin x we get the negative sign only with first term.. like this -x sqaure sin(x)+cos (x)2x and this cos (x)2x is positive not negavtive so it can not be cancelled with the ist term of our denominator i.e 2xcos (x) which is also a positive.. term
Sol. of question no. 1 is -1/3
Sol. of question no. 2 is 3/2
Solution of question 1 -(-1). Ans 2 nd (3/2)
Same to u
yes question no. 1 is -1/3 but question no. 2 i got ans is 1/2.
q1 -1/6
Thanks a lot sir🙏❤️
Don't mind the mistake it happens sometimes
Please appreciate sir for clearing this topic in a very nice way 👍❤️
🤗🤗🤗🤗🤗
2:45 is the best part of the video....i loved it❤🎉🎉😅
Topic clear kr diya sir aapne
But aapse thodi si mistakes hogi h.......
Thanks for clear my topic....
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Jai Hind, Vande Mataram?
What a wonderful explanation way❤❤❤
Sir, 2nd question me jo 1/(1+x) ka diff. hua usme sir (-1) dubara nehi aye ga. Or sir I think iska ans. 3/2 ayga. Thank you sir.
Ya your right
Ya I also noticed the same mistake
How can he teach like this he is making many mistakes and students are getting confused
@@minakshichikhale4523
-1/(1+ x ) its diff. Is 1+x (0) - {(-1)(0+1)} / (1+x)^2 = - 1/(1+x)^2 and when we put x=0 we will get - 1 hence sir is absolutely right in question no. 2
@@esssajid1877 nnooooo broo sir is not right answer 3/2 he hogaaa
Koi nhi sir galti insaan se hi hoti hai
But topic clear ho gya thanks a lot
I know sir if you want you can make a lot of money but you are doing all this for free you are doing a great work sir respect for you👏👏
HAPPY TEACHER'S DAY SIR
YOU ARE A GREAT TEACHER
Wow incredible india...2 positive value hi cancle kar di
Thank you sir.
This is a best lecture fir L' Hopital rules
jai Swaminarayan🙏
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Jai Hind, Vande Mataram?
Sir u r my best youtuber for math
Thank you sir
Mere doubt clear ho gye
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Jai Hind, Vande Mataram?
Who else can make such a harsh topic look so easy. great efforts sir god bless you and ur work
Aap bahut hi achchhi tarah samjhate hai
At 15:0 you canceled 2xcox with 2xcosx but their sign was positive
ha wahi to
Your teaching is the best and simplest Sir...may God bless you Sir.
Thanku sir.......
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Everyone criticising here Ofcourse he made mistakes but that doesn't mean you can insult him You should be grateful that he has uploaded so many educational videos on maths And If You found the errors in His solutions that because he taught you that .
P.S. Sir ka samjhana bht psnd h mjhe ofcrse galtiya hui h but I'm sure ki ye jldbazi m hua h
🙂
Thank 's sir for L-hospital 's rule video
1/3 is the answer don't get confused how to cancel +cos 2x, +cos 2x just use L-hopital rule again and then put value to zero.
inspite of having calculation error this is the best lecture on this topic thanks for such a great support in M1
Concept to mera pura clear ho gaya 🙏
thank u so much sir. this video is very helpful
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Jai Hind, Vande Mataram?
13:10 cos x 2x won't cancel each other in that position
Ya literally
2xcosx and cosx.2x
Actually cosx(2x)
2:54 wala kata nahi
Mene bhi vahi dekh ke niche comment section dekhne aai..😅
lol
@@komalpanchal6445 me also
@@gauravthakur6848 😁😁
Lol
Thankq very much sir i really understand this topic very well honestly u r great🙏🙏🙏😊
Thank you for your comments.
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मिलते हे अगली Video
JaiHind, VandyMatrem
#ignoumathematicspoint
Happy Teachers Day
Thank you very much Sir 🙏🙏🙏👍👍👍
sir app bohot acha samjhate hai.
Please sir upload more videos because your teaching methods is good
Sir please check the step-3.how 2xcosx is cancelled...both are positive...
Turee broooo
best teacher
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Jai Hind, Vande Mataram?
Yar sir ap great ho
Ma pakistan sy ho
😊😊😊😻😻😻
Thanks sir
I know 0/0 form ki examples me kuch calculations miatakes hai but we r clg students 👦📖🎒 ,
And these things are easy 😎😬 to handle.
The lecture which u 👉👤 gives us is very nice 😎👍 .
So once again thanku
Great one sir❤️ Btw u look like Peter dinklage😂
Nice consept and nice rule sir
Thank you sir love from northeast ❤
This teacher got Wings of An angle 0:01
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Jai Hind, Vande Mataram?
@13:12...how did u cancel Cos(2x) ..both are positive in denominator
Raat ka math kara raha ha.
True...
Yes u right
And second ka answer 3/2 aayega
U are genius sir ji
Out standing sir..
In 2nd qsn differentiation of (x+1)^-1 will
-1/(x+1)^2 which will cancel the (-ve) sign already present and the answer will 3/2
sir 1 question mei jab 1st differentiation karenge toh x cut jayega upar aur niche aur fir 2nd bar mei 0/0 ka form nhi ayega , taking limits we get answer -1/3
aur second question mei answer 3/2 ayega kyuki jo last mei hai uss ka sign + hai
see again sinx is 0 so if we cancel x to x thn after it we should diff. again
sanjay taji 2nd answer will be 3/2 yeah?
sir 1st question me second time difference karne par denominator me 2x cosx+2x cosx aaps me cancel nahi ho sakta because dono positive(plus) me h
even i didn't understand that part
anyone plz help!
Sir apka lecture to bahut accha hai sirf noise thoda jyada ho jata hai... So pls 🙏 try to cancel noise
You are god for poor student.
Thankyou so much sir🙏 ur the best teacher of higher maths
Nice video
1) ans: (-1/3)
hoga sayaad Sir
You are correct
Tq sir🙏🙏🙏
By taking x common in 1 problem the answer is coming -1/3 which is true & sir I found in problem 1 that how you cancel 2xcosx which is in denominator, they both have positive sign. Please correct the answer. Waiting for the positive response...
yeah i meant same......
Sir first question k 3rd step mein denominator mein terms cancel kese hueen ....inke sign to same hein ????
waooo sir you are great
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Hamesha Khush Rahiye
जय हिन्द, वन्दे मातरम्
thank you sir really u r doing great job
superb sirjii
Ye kaat dena jo bola maine av av😂😂😂😂
Or second question m 3/2 answer aayega aap ek second line m (-) ki jagah app (+) likhe h
sir please concentrate while solving question
13:17 how sir cancel 2x.cosx
Someone explain please):
Glti se cut krvdiya bhai sir ne , cancel nhi honge vo
@@gauravsemwal9717 okk
2:53 kaisi editing karte ho yaar 🤣😂
😂🤣😆😅😝
Sir you are good teacher but please try to edit background sound it's disturb please sir
Nice video sir
Keep it up
sir NET k liye kaise padhun please jara details mein batayye...kon kon si book follow karun aur preparation k liye kaise padhun.
Sir not cancel 2xcosx by the cosx.2x because both are positive
Q. No 2 answer is 3/2.
Sir cosx.2x dono postive value ko apos main kaisa kat diya......dono positive value tha..... question no 1 main
Sir ji it's good ... topic is clear... but questions 2 ka answer 3/2 hoga
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Jai Hind, Vande Mataram?
Sir aap bht achhe tarika se padhate h samjha samjha kar but khi khi par galat ho jati h vo to Sabse mistake hoti h
pehle question mein denominator mein 2xcosx cancel kaise hua sir because sign to positive hai?
Sube sube uth ke video banaya Sir ne
Thanks for this video, sir.But apse kuchh mistake ho gayi hai
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Jai Hind, Vande Mataram?
Sir aap ne 2xcosx ko kaise cut kar diye hai samjh me nahi aaya hai
Sir , 2nd question ka answer 3/2 ayega sir ,
Aap minus ko into kr diye phir ap minus likh diye ho sir ,
2nd vaale ka (3/2) ayega sir!
Ap galat likhe ho!
And video acha lga sir!
sir how can you cancel 2x cos x and 2x cosx because ye to dono plus ke h
Q1ans is -1/3
Q2 ans is 3/2
yes mera v 1 by 3 answers aa rahe h
sir ji aap great ho
Thx for this video sir...
I solved my query in this video
Sir u r great teacher
Thanks sir its very effective
Sir... it's Wrong (que. 1)
Bcoz...in midway....how can u Cancel (2xcosx )
yes ans also 1 by 3 answers
@@pnroyroy8758 -1/3
Right
Sir both the answers are wrong
Yes.. both of them are positive
Sir 2xcosx or 2xcosx denominator mai kaise cancell ho jayege because vo to dono positive h
In 13:48 why in denominator cosx and cosx cancelled
It was mistake
@@BhagwanSinghVishwakarma Thank u sir app ki video dekhne k baad hi main l hospital rule Ka questions solve ki 🙏🙏🙏
Sir inderminant form only.. 0/0 hota hai yaa infinity /infinity v hoty h
Jo tm bol rhi ho vo bhi hota h
Aur ek video hai vkh le
Hey shweta I'm ankur
wo bhi hota h
will it use any board exam?
Sir Cauchy mean value theorum se bhi prove ho Sakta hai n
1st solution = -1/3 , 2nd solution = 3/2
Thanks sir
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Jai Hind, Vande Mataram?
Sir the right answer of question no. 2 is 3/2 not 1/2
Aap shi bol rhe ho dono questions m sir ek ek jagah galat kiye h
right answer is 1/2
Yes bro you are right
Ha...qus 2 ka ans 3/2 hoga
You are correct...mine is also 3/2
Sir how can u cancel the term cos2x both are positive in denumenator
Both cosx r positive how did u cancel them tell sir
Thank you sir
Sir the answer of First question is =-1/3
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Jai Hind, Vande Mataram?
hw cn we cancle cosx 2x to cosx 2x when both are positive
cosx.2x mein 0 ko substitute karo toh ata hai -> cos 0*2*0 = 1*0 = 0. toh abhi dono cosx.2x ka value 0 hai toh abhi undono ka use ni hai so kt ho gaya.
Sir Q.1=-1/3
Q.2=3/2
But realy thanku so much for this video
Sir lim x tends to 0 (xcosx - sinx)/x^2sinx .... Iska ans -1/3 ayega sir...