Gradient of a Scalar Field & Directional Derivative | Normal Vector

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  • Опубліковано 19 січ 2025

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  • @gajendrapurohit
    @gajendrapurohit  5 років тому +132

    Thanks for your comment, your appreciation always motivate us to do such kind work.
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    • @PrinceSingh-yw7yj
      @PrinceSingh-yw7yj 5 років тому +1

      Sir you really teach in an amazing way.
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      Even better than my COLLEGE_TEACHER

    • @mahamsiddiqui8557
      @mahamsiddiqui8557 4 роки тому

      sir i want notes of this topic ....can u plz give me the link ?

    • @sahilpanchbhaiya6855
      @sahilpanchbhaiya6855 4 роки тому +2

      18:36. U have not taken y value as -1 thus I think the answer is wrong...plzz see to it...if I m right....I like ur lectures very much sir ...

    • @shaadmd5300
      @shaadmd5300 4 роки тому

      8zk

    • @khushmahmad8571
      @khushmahmad8571 4 роки тому

      Ajij Hussain

  • @aayushrastogi2614
    @aayushrastogi2614 3 роки тому +590

    Sir, in 18.36 , you take y=1 instead of -1, so that answer can't be matched.
    The corrects values are b=2 and a= -1

  • @epictetus__
    @epictetus__ 5 років тому +738

    Sir in 18:34 it should be (2a + 2 - a - 2)i instead of (2a - 2 - a - 2)i... So the answer should be a = -1

    • @Aivideosspoof
      @Aivideosspoof 5 років тому +25

      yes it's absolutly right

    • @splinter1817
      @splinter1817 5 років тому +7

      ha

    • @SUBHAM_BOSE
      @SUBHAM_BOSE 5 років тому +11

      Exactly. In place of y=-1 sir has taken by mistake y=1.

    • @AllVideos-il2nj
      @AllVideos-il2nj 4 роки тому +4

      Yes

    • @partha360
      @partha360 4 роки тому +14

      aur yeh kya likhta hai samajh me nhi aata... 4 ko A likh ta hai... x ko c... components ko comonts

  • @parbhashkumar5074
    @parbhashkumar5074 6 років тому +273

    Best Mathematics channel.

  • @sapnaprajapati3708
    @sapnaprajapati3708 5 років тому +85

    Not talking about views and subscribers.but the ratio of like and dislike on your videos shows how good as a teacher you are.keep it up sir, you don't even know how much you are helping us.

    • @gajendrapurohit
      @gajendrapurohit  5 років тому +25

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  • @nasirmaqsood3773
    @nasirmaqsood3773 4 роки тому +14

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    @afiyaateeq6246 2 роки тому +10

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    @swetachaudhary9220 3 роки тому +4

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    @vloggerchinmay4462 5 років тому +59

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    • @gajendrapurohit
      @gajendrapurohit  5 років тому +5

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    @v_shot354 3 роки тому +1

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    @MRJUGAROO 5 років тому +27

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    @soumyabratachakraborty6305 2 роки тому +37

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    @sureshgehnoliya 5 років тому +9

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    @adityatrivedi7964 Рік тому +1

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    @NandanPatel-kz6bz Місяць тому +4

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  • @joyboy1088
    @joyboy1088 5 років тому +25

    In last ques a would be -1 ....there is an error due to negative sign !

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    @skumarsingh.3553 Рік тому +225

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    @rohankashyap4902 2 роки тому +1

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    @hemangvadgama5258 3 роки тому +2

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    @sanjeevbaba9371 4 роки тому +2

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    @KimnuMossang-i7k Рік тому +1

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    @rishabhjha6353 Рік тому +159

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    @SyeadAthar 4 роки тому +3

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    @mukeshvishwakarma83 4 роки тому +1

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    @saraswathidevitm1834 4 роки тому +6

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      @manabendraghosh4954 4 роки тому +1

      Agree, teaching style is good by should be more Coceptual regarding physical phenomena

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    @Sciencekakarobar 5 місяців тому

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    @samverma8817 3 роки тому +53

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    @anuranshasonkar2314 5 років тому +1

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    @yuvrajdeo9109 6 років тому +8

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    • @gajendrapurohit
      @gajendrapurohit  6 років тому +1

      Thanks for
      your comment, your appreciation always motivate us to do such kind work.
      Please Share it
      With Your Friends
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  • @marvanizam7888
    @marvanizam7888 3 роки тому +1

    .sir u are amazing... it is so helpful video... nd good understanding..i just thank god...for i get this video .mistak wil happen...its normal... in our clas when our teacher doing pbmz.. there also came mistakes... they are doing so fastly.. bcz they want tu finish too much portions... also people finding onli mistakes... in our lyf too.. no one appreciate the good thnkz whic we done.. bt if we did 1 mistakes instead of 10000gud thinkz... all wil see the mistakes..

  • @Hrit
    @Hrit 5 років тому +3

    Very helpful video!
    But is there any video where you have explained the theory for this topic?

    • @gajendrapurohit
      @gajendrapurohit  5 років тому +1

      Hello HR!T & Kaustav
      Thanks for Subscribing!, your appreciation always motivate us to do such kind work.
      Preparing CSIR NET ? Then Follow me on Unacademy Link:-unacademy.com/user/Dr-GajendraPurohit
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      Topic:-IIT-JAM Mathematics
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      Dr.Gajendra Purohit

  • @mansijain6488
    @mansijain6488 6 років тому +1

    it is very helpful ..the way that you are teaching is very effective and simple to understand for us...

    • @gajendrapurohit
      @gajendrapurohit  6 років тому

      Thanks please share it with your friends

    • @gajendrapurohit
      @gajendrapurohit  6 років тому

      Thanks for your comment, your appreciation always motivate us to do such kind work.
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  • @arunbadetia2459
    @arunbadetia2459 5 років тому +19

    Sir I think last q's m kuch mistake h.... a = - 1 aa raha h..

    • @gajendrapurohit
      @gajendrapurohit  5 років тому +23

      Hello Arun Badetia
      Thanks for Subscribing!,
      Please Avoid Mistakes, I am Very Happy that you Find Mistakes, it shows that you are watching my videos seriously. these are my old videos so there is some silly mistakes. Now from last 50 videos there is no mistakes.
      Once again Thanks n keep Watching videos and share it with your friends

    • @joyboy1088
      @joyboy1088 5 років тому

      a=-1 aarha h

    • @starkendeavours7072
      @starkendeavours7072 3 роки тому

      Yes ekdam a = -1 coming

  • @karankapoor3355
    @karankapoor3355 5 років тому

    Sir bhot badiya padhate ho aap saare concept clear ho gaye aur strong bhi
    Ty Sir

  • @deepakchaurasiya519
    @deepakchaurasiya519 5 років тому +3

    Nice video sir.... But there is a bit of mistake in last question......a=-1,....but its 👌

    • @mauryamanish9418
      @mauryamanish9418 2 роки тому +1

      Yes you are right bro. But hame samjh me aa gaya vo important hai calculation to tum bhi sahi kar sakte ho

  • @divyanshisharma9888
    @divyanshisharma9888 2 роки тому +1

    Perfect teacher for mathematics 🙌💞

  • @lizashabnam6492
    @lizashabnam6492 4 роки тому +4

    Sir pls ss lene k liye kuch second dijiye. And thank you so much sir🙏

  • @NarendraS
    @NarendraS 5 років тому +2

    I still wonder why you dont have a million subs.thanks alot sir

  • @prashantg2037
    @prashantg2037 6 років тому +18

    Sir in last problem y=-1 then (gradg)=ai-2j

    • @gajendrapurohit
      @gajendrapurohit  6 років тому +4

      please send it me on whatsapp 9460722833
      Thanks for
      your comment, your appreciation always motivate us to do such kind work.
      Please Share it
      With Your Friends
      Want to get notes
      and link of videos with latest update then Connect me on Telegram Link:-
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    • @vertigoslayer6622
      @vertigoslayer6622 5 років тому

      ​@@gajendrapurohit Hello sir. Thank you for these amazing videos. It's a great gift.
      Just wanted to say one thing. At 18:34, equation me y = (-1) ki jagah y = 1 value rakh di, aur isliye answer thora sa alag ho raha hai

    • @nehamaurya1163
      @nehamaurya1163 5 років тому

      Thank you Sir

    • @gorkhavlogger9954
      @gorkhavlogger9954 4 роки тому

      @@gajendrapurohit
      Sir last Question
      If y=-1 then ai-2j
      Sir is it
      Then the value of a =-1

  • @nave_writes
    @nave_writes 3 роки тому +1

    Best playlist on vector calculus 👌

  • @nowdays996
    @nowdays996 5 років тому +8

    Sir 3 variable function ka geometrical interpretation kaise hoga
    Let me know

  • @ShreyaTyagi-i7q
    @ShreyaTyagi-i7q 23 дні тому

    but your teaching is just awesome. thank you .

  • @Thalaiva10
    @Thalaiva10 6 років тому +4

    Sir your videos always makes it easy...!
    Thank you Sir...! ✌🏻

    • @gajendrapurohit
      @gajendrapurohit  6 років тому +1

      Thanks for your comment, your appreciation always motivate us to do such kind work.
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  • @KnowledgeHub790
    @KnowledgeHub790 3 роки тому

    Best sir...I got all these topics ...u are the best teacher

  • @poorav_sharma
    @poorav_sharma 2 роки тому +3

    Mera Aaj hi paper hai or me ye dekh rha hu😂
    BTW amazingly explained..

  • @adrijakundu5931
    @adrijakundu5931 Місяць тому +1

    Thank you so much sir for this video
    It's really very helpful for engineering student

  • @PCShindiwala
    @PCShindiwala 4 роки тому +4

    Sir analytical geometry of two and 3 dimensions... B. Sc 1st kb karenge.. Exaam h jaldi

  • @bhanwarlalsuthar7911
    @bhanwarlalsuthar7911 4 роки тому +1

    Sir pure year me book nhi kholi lekin aapke
    Video se first time me hi sara clear ho gya

  • @aishwarygohil
    @aishwarygohil 5 років тому +3

    Thanks sir🙏🙏

    • @gajendrapurohit
      @gajendrapurohit  5 років тому

      Thanks for
      your comment, your appreciation always motivate us to do such kind work.
      Please Share it
      With Your Friends
      Want to get notes
      and link of videos with latest update then Connect me on Telegram Link:-
      t.me/gajendrapurohit
      Keep Watching OUR
      latest video.
      Topic:- Class 12 Maths NCERT - Continuity
      Important Questions Board Exam 2019
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  • @DivyaYadav-h7v
    @DivyaYadav-h7v 2 місяці тому +1

    The best teacher ever and ever in whole world 💝 🌍 your sacrifice is also very hard you pay all of your attention on your student but those students whose dislike you I think 💬 they are totally incurrpt by mind I like the way you teach and from my prospective you better then Alakh Pandey sir ❤ when he approach aal his comfort then he demand High fees now students are unable to pay this 🥲
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  • @mariyanevlinbabu3654
    @mariyanevlinbabu3654 4 місяці тому

    Sir, thankyou for your classes it realy helped me understand.... And I could do the problem.... Last question due to negative sign, I am getting the answer a= -1, b= 2.....

  • @palashbharati8818
    @palashbharati8818 5 років тому +5

    In (grad g) at (1,-1,2) you by mistake put the value of y as 1 that's why you got (a-4)i but we bave to put y=-1 , then we get (a)i
    So the vale of a= -1
    And b =2

  • @sunilshrivastava5962
    @sunilshrivastava5962 2 місяці тому

    still helpful sir !!! amazing series, thankyou so much sir

  • @rajnish.kumarpandey
    @rajnish.kumarpandey 5 років тому +3

    In my mother tongue language
    बवाल पढ़ावत बानी गुरु जी

    • @gajendrapurohit
      @gajendrapurohit  5 років тому

      Thanks for Subscribing!, your appreciation always motivate us to do such kind work.
      Please Share it With Your Friends
      Want to get notes and link of videos with latest update then Connect me on Telegram Link:- t.me/gajendrapurohit
      Keep Watching OUR latest video.
      Topic:- Differential Calculus For B.Sc. and Engineering Students
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      Dr.Gajendra Purohit

  • @saquibali9059
    @saquibali9059 2 роки тому +1

    Sir you're literally a lifesaver.. 😊

  • @lalayt21
    @lalayt21 Рік тому +5

    1 day before the ExAm 🗿🗿

    • @bhargavkalita9394
      @bhargavkalita9394 5 місяців тому

      @@lalayt21 how much did u got bro I am doing it before exam too😭

  • @faizan_world786
    @faizan_world786 5 років тому +1

    Sir ur videos are really very helpful

  • @ashmi9267
    @ashmi9267 5 років тому +6

    Sir sayad galti se y=-1 hai Lekin (grad g)=(2a-2-a-2)i-2j me aapne y=1 put kiya hai Ek bar aap check kariaga sayad Mai galat hoon

  • @dotofmath2094
    @dotofmath2094 4 роки тому

    Sir apka class bahut hi jyada hai intersting he,jo vi padhega woha suer topper banega.💓💓

  • @subhashchandrayadav2436
    @subhashchandrayadav2436 2 роки тому +3

    Agar pehle se is topic ki knowledge nii he to kuch samajh nii aayega

    • @dyutimoydan8752
      @dyutimoydan8752 4 місяці тому

      Samaj ayega bhai sab tere jaise unpadh nahi hai

  • @Rahul_98212
    @Rahul_98212 3 роки тому

    Sir apka video bahut helpful hai 👍👍👍👍👍🙏🙏🙏

  • @KapilSharma-lz3xh
    @KapilSharma-lz3xh Рік тому +5

    Sir ne galat nikal Diya last question

  • @riyachandni
    @riyachandni 4 роки тому +2

    Thanks a lot Sir! This really helped me very much. Infact you teach better than our teachers. Plz make more videos . 😀😀😀

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    @abdullotib827 Рік тому

    Outstanding sir , my concept is clear after watching your videos sir

  • @RajuKumar-qj7mm
    @RajuKumar-qj7mm 3 роки тому +1

    Wow sir your teaching process is too much good 😄 to everyone

  • @formulaadda5637
    @formulaadda5637 2 роки тому +1

    sir bahut Aacha laga Ap se pd kr
    thanks sir

  • @thebeautypro6691
    @thebeautypro6691 3 роки тому +1

    Amazing explanation Sir🙏🙏

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    @harshitpratap1409 3 роки тому

    Sir aap bahut achhe se samjhte hai pure UA-cam par

  • @PriyankaSharma-w4s
    @PriyankaSharma-w4s Рік тому +1

    Thank you sir aapne mera confusion clear Kiya 😊

  • @singhvickey4551
    @singhvickey4551 Рік тому

    Sar aapane 2.0 video Lage bahut achcha Kiya bahut hi helpful hai sir ap dusre chapter ka bhi 2.0 ka lecture lekar ayiye 🙏🙏🙏

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    @viveksingh2125 4 роки тому

    Your teaching style is so good sir ji
    You cleared my all doubt related to gradient

  • @mamtakshatriya2011
    @mamtakshatriya2011 3 роки тому +1

    Thank u sir 🙏🙏

  • @amjad6083
    @amjad6083 28 днів тому

    Thank you so much sir aapne bahut badi help kr di hamari 😊😊❤❤

  • @chhabinathram7285
    @chhabinathram7285 3 роки тому +1

    You are good teacher sir

  • @nandu7691
    @nandu7691 4 роки тому

    Because of you sir I am learning maths as well as Hindi sir

  • @MukeshYadav-vb4bw
    @MukeshYadav-vb4bw 4 роки тому +1

    Thank you sir because this video is very helpful for me.

  • @PradipGhondge
    @PradipGhondge 2 роки тому +1

    Very helpful video for engineering mathematics 3 ❤️

  • @Sahilkumar-dp3nm
    @Sahilkumar-dp3nm 4 роки тому

    BAHUT ACHA SAMAJHAYA AAPNE SIR MUJHE SAB SAMAJH AA GAYA THSNAKS A LOT

  • @shobhittrivedi4644
    @shobhittrivedi4644 5 років тому

    Sir u r gr8 tchr of all tym u tube vedio

  • @beready3
    @beready3 2 роки тому

    Thank you sir🙏🙏🙏you are the best teacher ❣️❣️❣️❣️

  • @devrajsingh4680
    @devrajsingh4680 2 роки тому +1

    Sir made hard topic easy for student, sir is such a magician for us 🥰🥰😇😇

  • @kumarsatyajit4826
    @kumarsatyajit4826 4 роки тому +1

    Sir ✅super explanation ✅

  • @MrSanjibPradhan
    @MrSanjibPradhan 2 роки тому

    It's really helpful for every one thank you sir

  • @adi-vlogs
    @adi-vlogs Рік тому

    Sir your videos is really very knowledgeable to me... I really love your video ❤❤

  • @khushalsharma7370
    @khushalsharma7370 5 років тому

    Sir aap to gajjab ho i like the way of your teaching....sir aap ese hi hame padhaate rahiye