How to Rationalise the Denominator? || Rationalisation || Class 9 Maths || Number System || CBSE

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  • Опубликовано: 11 сен 2024
  • How to Rationalise the Denominator? || Rationalisation || Class 9 Maths || Number System || CBSE
    This video explains the concept of rationalisation.
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    #rationalisation #class9maths #numbersystem #ravindermathsteacher #ravindersir #mathsteacher #class9 #cbse #rdsharma #rationalnumbers #irrational_number #irrationalnumber
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    Category : Education

Комментарии • 1 тыс.

  • @Radhe-shyam874
    @Radhe-shyam874 Год назад +412

    Dear Class 9th students,Clear your concepts without any doubt in this because I am watching this in 10th,And It made me realise the importance of clearing concept.Proud to get such Teacher also😊

  • @Nexa0666
    @Nexa0666 2 года назад +852

    Legends are watching because of exam🤣🤣🤣

  • @criminalarmy3743
    @criminalarmy3743 5 месяцев назад +15

    I am watching this in class 10 as my concept wasnt clear
    Class 9 student do watch thsi video because it will surely help you a lot in 10th don't skip this chapter like mee!!

  • @suhani2patel
    @suhani2patel 5 месяцев назад +132

    School teacher ❌
    Tution teacher ❌
    RUclips teacher ✅

  • @itzaryansaini6106
    @itzaryansaini6106 5 месяцев назад +23

    Legends are watching on exam day morning.. 😂

    • @avengamerz2171
      @avengamerz2171 5 месяцев назад

      Me

    • @FoujiyaBeag
      @FoujiyaBeag Месяц назад

      Same bro

    • @sandeepgarg9646
      @sandeepgarg9646 Месяц назад +1

      Same here 😂😂

    • @FoujiyaBeag
      @FoujiyaBeag Месяц назад

      @@sandeepgarg9646 Do you know tomorrow is my exam

    • @Advit_KRXZY
      @Advit_KRXZY Месяц назад

      5:30 am I wake up for my school
      12:23 am at day of the exam I am watching this video 💀

  • @Asim-Raza09
    @Asim-Raza09 3 месяца назад +19

    Salute to this teacher from Deoria thank u sir❤👍

    • @rajsinghup57
      @rajsinghup57 Месяц назад

      Same location but I am from Hata Kushinagar ❤

  • @abhishek_didwana__
    @abhishek_didwana__ 5 месяцев назад +49

    ना पैसा लगता है ना खर्चा लगता है राम-राम बोलिए बड़ा अच्छा लगता है 🚩❤ jai shree ram

  • @Tom12117
    @Tom12117 4 месяца назад +27

    Legends are watching before one day exam

    • @FoujiyaBeag
      @FoujiyaBeag Месяц назад

      Really that's me 😂

    • @Advit_KRXZY
      @Advit_KRXZY Месяц назад

      5:30 am I wake up for my school
      12:23 am at day of the exam I am watching this video 💀

  • @bakchod3662
    @bakchod3662 Месяц назад +5

    Padhlo Bhai warna 🎒 🏫 school khatam hone k 4-5 saal baad yahi aana pdega 😖

  • @narutowarriorswr5208
    @narutowarriorswr5208 2 года назад +83

    Omg you are awaome tmr have my first math test in academy 9th it helps a hell lot

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад +15

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

    • @narutowarriorswr5208
      @narutowarriorswr5208 2 года назад +6

      @@RavinderMathsTeacher sure

    • @aayushsharma3770
      @aayushsharma3770 2 года назад +4

      @Ravinder Maths Teacher

    • @acrionx4298
      @acrionx4298 Год назад +2

      @@RavinderMathsTeacher ya

    • @zydybokjkl
      @zydybokjkl Год назад +3

      Tmr meaning??

  • @GouriParvathy-wx7et
    @GouriParvathy-wx7et 6 месяцев назад +20

    Watching this 2 hours before board exam 😢

  • @lakshmikubasad8628
    @lakshmikubasad8628 11 месяцев назад +19

    Such a clear explanation sir 🎉❤ Really even not understood in my tution but u made it easy sir 😊 thanks a lot 👍

  • @shreyasraj986
    @shreyasraj986 Год назад +8

    Thank you sir sooo much my school teacher couldn't remove my doubt but you did.
    Hats of to you.........😇🥰

  • @akgamer227
    @akgamer227 Год назад +35

    Sir in type 6, the last term will be -3√15 not -3√5

  • @gaming_witharnav4363
    @gaming_witharnav4363 2 года назад +33

    Sir you explains in easiest way.....thanks sir....

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад +5

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

    • @oplulu2109
      @oplulu2109 Год назад +1

      It is wrong😂😂😂😂😂😂

    • @aadiyaduvanshi2009
      @aadiyaduvanshi2009 Год назад

      www.youtube.com/@aadiyaduvanshi2009

    • @codebuzz
      @codebuzz Год назад

      ​@@oplulu2109 it's okay, not everyone can convey their feelings

    • @ShivanshRaj143
      @ShivanshRaj143 Год назад +1

      ​@@oplulu2109what wrong?

  • @ItzDarth.
    @ItzDarth. Год назад +21

    11:28
    Sir wo to 3√5 nhi balki 3√15hina chahiye ?

  • @mohammadkhan9439
    @mohammadkhan9439 Год назад +9

    Thanks for teaching us u know what I am in class 8 and I have this type of maths it's literally so confusing for me after watching ur video I guess it will easy for doing that it helps a lot❤😊

  • @GautamDevi-sj9kf
    @GautamDevi-sj9kf 5 месяцев назад +7

    He is teaching in very fantastic way😢😢😢😢

  • @Devshoran10
    @Devshoran10 Год назад +45

    This guy save our tution fees

  • @d28vlog60
    @d28vlog60 Год назад +44

    THIS MAN'S SAVE OUR TUITION FEE THANKYOU SIR ❤️

  • @GaureeDhananjayPawar_
    @GaureeDhananjayPawar_ Год назад +14

    Sir , I couldn't understand thus concept at first but after watching your video everything is clear to me now .😊

  • @dr.p.Manish
    @dr.p.Manish 5 месяцев назад +2

    Thank u sir for teaching us using normal language......😊,for clearing our concept so easily.....thank you.

  • @AnitaKumari-zh6db
    @AnitaKumari-zh6db Год назад +6

    Mujhe lga is bar m exam me gya lekin apke channel ne mujhe bacha liya

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад +1

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @SaadKhan-nj7fg
    @SaadKhan-nj7fg Год назад +13

    So we can say that this man can never disappointed us

  • @TtSs-ek6fe
    @TtSs-ek6fe 8 месяцев назад +6

    I'm from Ethiopia thank you teacher ❤❤ for Ethiopia ❤
    🇪🇹🇪🇹🇪🇹

    • @irl_shubhii
      @irl_shubhii 8 месяцев назад +1

      Where is this country ? And can you understand hindi

    • @BILL_WATCH
      @BILL_WATCH 6 месяцев назад

      Yea can you understand hindi

  • @tulimondal9000
    @tulimondal9000 3 месяца назад +5

    Thank you sir meri tarah jin logo ke maths weak hai unko bohot maza aya sikhke aise ❤

  • @MoaiGaming_123
    @MoaiGaming_123 Год назад +21

    Thodi der me exam hai 🙂

  • @sarwatjahan5380
    @sarwatjahan5380 Год назад +2

    Thank you so much appne itne sare types diye hain ki Ab exam m koyi problem hi nai hogi

  • @op...gaming4719
    @op...gaming4719 Год назад +7

    Thanks SIR 👍👍☺️☺️ For This Wonderful Explanation Of The Topic Rationalisation 👍👍☺️☺️.

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @KanakTiwari-so8ok
    @KanakTiwari-so8ok Год назад +2

    Literally sir thankyou you have taught it in the most easiest way Thank you❤🌹

  • @amitoshartgallery2099
    @amitoshartgallery2099 Год назад +3

    Jo topic acche acche teacher nahi samja pai vo aap ne samja diya sir thanks

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад +2

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

    • @AnishPradhan-999
      @AnishPradhan-999 5 месяцев назад +2

      ​@@RavinderMathsTeacher❤❤❤thank you sir no offline teacher can teach me like you in just 12:03 thank you sir biggest mystery for me is just how people are doing that without knowing whats the next answer today i know because of you sir❤❤❤

  • @ananyagond5111
    @ananyagond5111 Год назад +2

    Thank you sir
    I see lot of video but I can't understand but after watching this video all doubt are cleared

  • @factatoz569
    @factatoz569 5 месяцев назад +4

    Thank you sir koi v ye bata hi nahi raha tha ki rationalise kyu or kaise karte he

  • @geetanegi415
    @geetanegi415 4 месяца назад +1

    You make maths very easy again 😊😊😊😊 thank you so much sir

  • @reedhima8194
    @reedhima8194 Год назад +6

    Thank you sir.... U helped me a lot...i thought I wouldn't be able to rationalize but now I'm able to... Thank you 🌈

  • @maheshtiwari1283
    @maheshtiwari1283 Год назад +2

    These questions are maximum the book of devjyoti .......... thanks sir 😊

  • @aashishkumar5099
    @aashishkumar5099 7 месяцев назад +16

    Fun fact: 10% viewers are from class 10th

  • @DarkenEdge94
    @DarkenEdge94 6 месяцев назад +10

    Watching it a day before math exam💀

  • @Taraster_Grand
    @Taraster_Grand 6 месяцев назад +3

    Thanks to you sir I understood this concept. Kudos to you!

  • @keshav4540
    @keshav4540 Год назад +9

    watching this before my 10th's board exam for the heights and distances chapter. really helpful

  • @rampalsingh2954
    @rampalsingh2954 2 года назад +15

    Thank you soo much
    I am confused everytime how to use identities but now I'm feeling sure not to do mistakes in rationalising the denominator.......
    🙏🙏🙏😊😊😊😊😊

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад +1

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

    • @lakshyasolanki7518
      @lakshyasolanki7518 2 года назад

      I also need this video.

  • @susmaranjan1168
    @susmaranjan1168 7 месяцев назад +2

    Thank you so much sir this video is very helpful for me 🙂

  • @gyanverma826
    @gyanverma826 11 месяцев назад +3

    Thank you so much sir u helped me a lot i was so confused in this topic u deserve a lot more appreciation than this 😁❤

  • @Ankitapaswan-t7l
    @Ankitapaswan-t7l 4 месяца назад +1

    Really amazing teacher thank you sir for give easy way explain this question 😊

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  4 месяца назад

      Thankyou so much please share this video with your friends I will really appreciate your help 🙏

  • @aksheenbiji8805
    @aksheenbiji8805 Год назад +3

    Thank you sir , it's really helpful

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @Jenny_status.657
    @Jenny_status.657 Год назад +1

    😊Mera pura doubt khatm hogya sir apki video se 😊thanks a lot sir😊🙏🙏🙏🙏🙏🙏

  • @accountsmathbystudent9581
    @accountsmathbystudent9581 2 года назад +37

    Thanks sir for sharing this 🙏🏽

  • @nihalsandeepsaurabh7804
    @nihalsandeepsaurabh7804 4 месяца назад +2

    sir doubt hai
    why did you distribute that (-) sign to numerator at 11:15

  • @prem9033
    @prem9033 2 года назад +7

    Thank you sir for wonderful explanation

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

    • @manjukashnia9551
      @manjukashnia9551 Год назад

      @@RavinderMathsTeacher ok

  • @opmahal502
    @opmahal502 Год назад +2

    Thank you so much sir you are explaining in very good way. Please share more videos on another topic

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад

      Aap dekh sakte ho channel par !!!
      Topic search kare with my RUclips channel name aapko video mil jaayegi

  • @Ncert_Explanation_6th
    @Ncert_Explanation_6th Год назад +5

    Thank u so so so so so so much u saved my life 😢

  • @rakhikahlon7415
    @rakhikahlon7415 Год назад +1

    It's even helpful for 10th batch . Thankyou so much sir

  • @prasanjitbiswas118
    @prasanjitbiswas118 2 года назад +4

    Thank you sir👍🙏

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @maltitembhare6583
    @maltitembhare6583 2 месяца назад

    U are a genius sir I am fully prepared after watching it thanj uhh🎉🎉

  • @piyushlohar451
    @piyushlohar451 Год назад +4

    Thanks very much sir🙂🙂🤗
    Iam very happy I understand 👍 all
    Thanks again sir🫡

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  Год назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @Edit_Armyblink74
    @Edit_Armyblink74 Месяц назад +2

    School teacher❎
    tuition teachers❎
    youtuber teachers ✅

  • @salimhalim3195
    @salimhalim3195 11 месяцев назад +6

    If you are studying for exam then you are learning for marks not for knowledge and
    please don't study anything for marks learn it for knowledge is which earn you marks

  • @projectfile4776
    @projectfile4776 Год назад +1

    Thank you sir you are best after 10 days my exam you help me so much thank

  • @nemoberry
    @nemoberry 11 месяцев назад +7

    Guys if any of you are confused in the last one then the correct answer is -4√6+18+2√10-3√15/19
    I'm telling this because sir did a tiny mistake as he wrote -3√5 instead of -3√15

  • @Tropicals339
    @Tropicals339 5 месяцев назад +1

    Sir ji wahe guru di kasam appne Meri sab se badi doubt clear kar di😊

  • @unknownguyfromu.p2030
    @unknownguyfromu.p2030 8 месяцев назад +3

    Class 10 legend those who didn't clear this concept in class 9 👊

  • @satvikkhandelwal4705
    @satvikkhandelwal4705 Год назад +1

    thankyou sir for sharing wonderfull explanation , my all doubt clear now !!!

  • @Arya_20088
    @Arya_20088 6 месяцев назад +3

    Sir in last question you had written that -4√6+18+2√10-3√5/19 but that's one is 3√15 n

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  6 месяцев назад

      Yes by mistake woh likh dia galti se ...thanks for the correction 😊

    • @Arya_20088
      @Arya_20088 6 месяцев назад

      @@RavinderMathsTeacher ok sir ☺️

  • @TechnicalGamer-zk2ej
    @TechnicalGamer-zk2ej 7 месяцев назад +2

    Dhanyavaad Sir ji Susriaakaal 🙏

  • @emptysilence129
    @emptysilence129 7 месяцев назад +4

    Everyone: studying
    Me: Staring at his turtle ring

  • @souravpooniya6780
    @souravpooniya6780 3 месяца назад +1

    THnx so much sir school mein kuch samaj nhi aata hai yaha aa gya bhout aache se 😊😅 thankx to you so so so much ku ki aaj mera exam hai 😂

  • @FIRE-44
    @FIRE-44 Год назад +3

    Sir type 6 ka akhri me root 15 hoga

  • @Saritasingh_09
    @Saritasingh_09 6 месяцев назад +1

    Thank you so much sir mujhe enme bahut sarw dout the jo aapne mita diye😊😊😊😊

  • @quintusbruno9966
    @quintusbruno9966 2 года назад +8

    Nicely explained but just 1 doubt...
    In 6 last value in root took it as 5 instead of 15...
    If the value is 5 thn how?

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад +9

      Yes woh value √15 hai by mistake √5 likh dia hai

    • @onlyeducation9216
      @onlyeducation9216 Год назад

      Yes me too my doubt is this i am come to comment s too see the answer

  • @JOD.BRO.777
    @JOD.BRO.777 Месяц назад

    Thanks a lot sir
    I am watch this video and I clear this concept just 12 min. Again and again thank you so muchh ❤❤❤

  • @syedajjasgaming1087
    @syedajjasgaming1087 Год назад +3

    In Type6 which formula is used sir please explain

    • @vanrajchavda6106
      @vanrajchavda6106 Год назад

      In denominator we used a²--b²=(a+b)(a--b) and in numerator we multiplied each term with each term of next bracket. 😀

  • @Shafin_qureshi
    @Shafin_qureshi 4 месяца назад +1

    Thank you so much Mr. RAVINDER sir for helping class 9th students , you are explaining best from other RUclips techer❤❤

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  4 месяца назад

      Thankyou so much please share this video with your friends I will really appreciate your help 🙏

    • @Shafin_qureshi
      @Shafin_qureshi 4 месяца назад

      You'r most welcome sir I had shared this video with my brother

  • @naitiklohia76
    @naitiklohia76 2 года назад +5

    Sir how to score full marks in Mathematics Class 10th what should we do??

    • @adarshsingh8212
      @adarshsingh8212 2 года назад +1

      Do hard work

    • @moulagk9023
      @moulagk9023 2 года назад +1

      First understand the concept

    • @j-hope_sunshine4357
      @j-hope_sunshine4357 2 года назад

      You. Should try kala jaadu if you want to score full marks 😂😂

    • @naitiklohia76
      @naitiklohia76 2 года назад +2

      @@j-hope_sunshine4357 I don't think so ab sab aata ha

    • @anqolina
      @anqolina Год назад +1

      Pray to God and work

  • @cookwithsisters2396
    @cookwithsisters2396 Год назад +1

    Sir you are amazing .. j have learnt so much ... very good explanatio

  • @arjunan7206
    @arjunan7206 2 года назад +4

    Thank you sir iam from tamil nadu you are doing maths sums cleary but i cant understand your language super sir keep rocking always 😁

  • @ASHOKKUMAR-js6pq
    @ASHOKKUMAR-js6pq 11 месяцев назад +2

    Teaching manner is very good. 👌🙏

  • @brendaneto5574
    @brendaneto5574 Год назад +7

    Thank you sir I understood this I was just confused in rationalisation with denomiter.This helped me a lot🙌

  • @MahimaShah-ns1hw
    @MahimaShah-ns1hw 3 месяца назад +2

    Tomorrow is my maths exam and u just started studying,i hope i will pass😢

  • @user_rishi45
    @user_rishi45 6 месяцев назад +3

    I am the legend which in 9 th class my exams started tomorrow is my maths exam 😅

    • @BN_GAMERZ
      @BN_GAMERZ 4 месяца назад

      Yes your are a legend and does not know English 😂

  • @Krishna31834G
    @Krishna31834G 5 месяцев назад +1

    My teacher teach this 100 times but I can't understand but after watching this video I understand this topic completely

  • @devilx5756
    @devilx5756 11 месяцев назад +3

  • @Charming..star246
    @Charming..star246 4 месяца назад +2

    No doubt.....all doubt are clear👍

  • @subhakantaswain9551
    @subhakantaswain9551 Год назад +3

    Thank you sir 🙏 for so much help . I don't know anything how to rationalise the denominator . I was just confused how to do it . This was a amazing and wonderful video .

  • @babyinstant
    @babyinstant Год назад

    What a explanation sir ek ke bad ek question. Any one understand the video its too much easy

  • @Komaljaiswal2010
    @Komaljaiswal2010 2 года назад +3

    Thanks sir 🙏

  • @Midas_0001
    @Midas_0001 Год назад +2

    Thank u sir very good explanation. I didn’t understand this topic since starting but u cleared my doubt😊😊

  • @cimela556
    @cimela556 2 года назад +3

    Really very helpful video. Ty 🌺

  • @mahisihag2724
    @mahisihag2724 2 года назад +3

    Thanks sir 😀

    • @RavinderMathsTeacher
      @RavinderMathsTeacher  2 года назад

      Thankyou so much !! 🙏🙏
      & pls share this video to anyone who really need it , I will really appreciate ur help !! Thanks. 😊🙏

  • @bhojpuria2z193
    @bhojpuria2z193 Год назад

    Sirji mujhe kuch bhi smjh nhi aa rha tha ye wala but ab aane lga thanks

  • @divinex5564
    @divinex5564 2 года назад +4

    Ur sound is like scout op

  • @user-uj3gf4kr7l
    @user-uj3gf4kr7l Месяц назад

    Thank you so much sir for explain the questions 😃🙂

  • @Aryan_00088
    @Aryan_00088 11 месяцев назад +3

    All the best for tomorrow math exam

  • @Gannidesu5
    @Gannidesu5 2 месяца назад

    He saved so many lives 🙌

  • @neelamtiwari7282
    @neelamtiwari7282 Год назад +8

    Thank you sir before watching this video I am confused but after seeing this video my confusion is clear 👍👍

  • @cubersking129
    @cubersking129 Месяц назад

    Legends of class 10 are watching for real number ( prove irrational) 😂😂
    Nicee... Teacher sir my dout is solve clearly❤❤

  • @SFGaming_77
    @SFGaming_77 11 месяцев назад +3

    Tomorrow is my maths exm 😂😂😂🎉

  • @Chetutljeevitl
    @Chetutljeevitl 26 дней назад

    East or wesr Ravinder sir is the best 🎉🎉

  • @Geetadevi.1199
    @Geetadevi.1199 7 месяцев назад +3

    Tomorrow is my exam 😅

  • @Haninho_825
    @Haninho_825 17 дней назад

    Thank you so much sir.. This helped me beyond belief. Thank you so much ❤

  • @gamer_yt7857
    @gamer_yt7857 2 года назад +3

    Sir can I ask you one question
    In type 5 if in case both numerator sign will be minus then also we add it ?