Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

DLS

  • 3 years ago

Test whether the following function is odd/even/either/neither

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

    \[f(x)=\sin(\log(x-\sqrt{x^2+1}))\]

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

    \[f(-x)=\sin(\log(\sqrt{x^2+1}-x)) \]

  3. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    log (-A) is not -log A or log A so, its neither.

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

    its odd...

  5. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    lets try an simplify x= tan y

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

    @yrelhan4

  7. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    rationalize..

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

    kyun?

  9. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    just rationalize f(-x).. you'll get to know why.

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

    kyun karna hai?kaise pata chalega?

  11. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ye rd ka question hai. to mereko pta hai.. :P

  12. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you'll be using log (1/A) = - log A property here.

  13. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    an sin(-t) = - sin t

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

    ye to IIT ques hai..and why cant i see anyone viewing this question?

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

    u cant either?

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

    if I rationalize then how i am I using 1/logA property?

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

    okay now i can see

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

    people viewing

  19. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    :/

  20. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what u got after rationalizing ?

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

    \[\large x-\sqrt{x^2+1} \times \frac{x+\sqrt{x^2+1}}{{x+\sqrt{x^2+1}}}=\frac{1}{\sqrt{x^2+1}}\] hmm but how am i gonna think of this ?

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

    misprint in = sorry :|

  23. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    iit ka question hai mere bhai..

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

    x+ also there

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

    still :|

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

    okay i have another doubt

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

    \[\large \frac{1}{x+\sqrt{x^2+1}}\] =logA? logA to 1/x-sqrt{x^2+1} tha..minus tha :|

  28. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    nhi.. galat hai method. pta nhi. :/

  29. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @hartnn ? :O

  30. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what ?

  31. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    dls's last post. rationalizing wont work.

  32. hartnn
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it does ?

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

    rationalizing changes middle sign :\]

  34. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    we'll get log(x+ sqrt(x^2+1)) right? but f(x) is..... exactly...

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

    dafuq :|

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

    @yrelhan4 RD khol

  37. yrelhan4
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yr dusre room me padi hai. :/

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

    ja na please :| mere solution me usse (a+b)(a-b) ka use kara hai..why :/

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

    \[\LARGE \sin(\log(\frac{1}{x+\sqrt{x^2+1}}))=\sin(\log1-\log(x+\sqrt{x^2+1}\] ..done

  40. 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