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anonymous

  • one year ago

Solve the integral

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  1. anonymous
    • one year ago
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    whats the question

  2. anonymous
    • one year ago
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    \[\int\limits_{?}^{?}(\sqrt{1-x})\div \sqrt{x}\]

  3. anonymous
    • one year ago
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    |dw:1443535046366:dw|

  4. anonymous
    • one year ago
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    ok give me a sec what subject is it

  5. anonymous
    • one year ago
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    calc 2

  6. anonymous
    • one year ago
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    i dont understand why the use of trig identity since its not in the form of a^2 and u^2

  7. ParthKohli
    • one year ago
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    but you can make it so

  8. anonymous
    • one year ago
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    x3+2 1−x−−−−−√ 2x+C

  9. ParthKohli
    • one year ago
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    \[1 - \sin^2 x = \cos^2 x\]which enables us to clear out the square-root.

  10. anonymous
    • one year ago
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    go with that mine screwed up

  11. ParthKohli
    • one year ago
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    shouldn't really think of it as "forms" - try to think why those forms are altered when you substitute a trigonometric function.

  12. anonymous
    • one year ago
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    ok let me try to do it then

  13. anonymous
    • one year ago
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    |dw:1443535393664:dw|

  14. anonymous
    • one year ago
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    does this look like a good start

  15. ParthKohli
    • one year ago
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    \[x = \sin ^2 \theta \]

  16. anonymous
    • one year ago
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    ok

  17. ParthKohli
    • one year ago
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    remember - you want to clear the square-root out.

  18. ParthKohli
    • one year ago
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    i have two gentlemen here who have way more experience at integration

  19. anonymous
    • one year ago
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    ok.. any help is welcome

  20. anonymous
    • one year ago
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    |dw:1443535825527:dw|

  21. anonymous
    • one year ago
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    |dw:1443535880071:dw|

  22. anonymous
    • one year ago
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    |dw:1443535991550:dw|

  23. anonymous
    • one year ago
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    can some plz check this out

  24. anonymous
    • one year ago
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    i havent converted it back to to xs yet

  25. ParthKohli
    • one year ago
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    looks good I think

  26. anonymous
    • one year ago
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    alright thanks 4 the awesome help

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