Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

kittycat01

  • 2 years ago

tan^-1[(√x+√a)/(1-√(xa))] differentiate it plz m gtting 1/2(√x) which is not correct answer is 1/[2(√x)(1+x)]

  • This Question is Closed
  1. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    same type of question with different substitution

  2. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    hmm i think i did something wrong let me do it again

  3. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    well u don't have to substitue :) @hartnn i think i forgot to differentiate tan^-1 (x)^1/2 i missed the tan^-1 part

  4. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    say, sqrt x= tan y sqrt a = tan alpha then , [(√x+√a)/(1-√(xa))] =... ?

  5. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ohh..so now did u get it ?

  6. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    u have to use tan^-1 x + tan^-1 y formula well not now

  7. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    trying again

  8. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    :'( not getting :'(

  9. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    how to differnatiate tan^-1(x)^1/2

  10. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    use chain rule, know about it ?

  11. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no :'( that's the problem simple chain rule i know

  12. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    like this one sin(cos3x) but never did for inverse trign.........

  13. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    is the differenatition of tan^-1(x)^1/2 is

  14. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    is =X =1/(1+(x^1/2)^2 . 1/2*(x)^-1/2 ????????

  15. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ok, derivative of tan^{-1} x is 1/(1+x^2), right ?? for derivative of tan^{-1} sqrt(x) you do 1/(1+ [\sqrt x]^2) times deribative of sqrt x

  16. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yep

  17. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    i think i have used chain rule -_- is that a chain rule @hartnn

  18. souvik
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you did it,,,kitty

  19. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    didn't you get the answer then ? yes, thats was chain rule only...

  20. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    lol i know everything but still do silly things -_- @souvik

  21. souvik
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it happens some time...

  22. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @hartnn - chain rule :O so that's a chain rule

  23. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    because what you wrote matches with your final answer...

  24. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    not some times everytime it happens

  25. souvik
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    keep your head cool....like MSD

  26. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    bcoz of calculation mistake i lost 3 marks in maths prob :'( i did everything correct but in final answer i made a error in multiplication

  27. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    MSD??????

  28. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @hartnn -tahnx :)

  29. hartnn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    hey, welcome anytime ^_^

  30. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    :)

  31. souvik
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Indian cricket team captain...

  32. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    oh :OOO ms dhoni :OOO i don't like him lol

  33. souvik
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    why?

  34. kittycat01
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    reminds me of my frenemy :P

  35. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy