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Thread: Integration help needing: int 1/(a^2-u^2) du, int x^5/sqrt(x^12-3) du

  1. #1

    Exclamation Integration help needing: int 1/(a^2-u^2) du, int x^5/sqrt(x^12-3) du

    Hello guys!
    I am new to this forum. I am studying for an exam and there is two problems I can't seem to solve.
    !.) integrate du/a2 -u2
    2.)integrate x5 / sqrt( x12 -3 )
    Help and explanations would be very much appreciated!

  2. #2
    Elite Member
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    Quote Originally Posted by cmm13037 View Post
    Hello guys!
    I am new to this forum. I am studying for an exam and there is two problems I can't seem to solve.
    !.) integrate du/(a2 -u2) .............................. substitute u = a*sin(Θ)

    2.)integrate x5 / sqrt( x12 -3 ) .............................. substitute u = x6

    Help and explanations would be very much appreciated!
    What are the methods that you tried?

    Please share your work with us ...even if you know it is wrong

    If you are stuck at the beginning tell us and we'll start with the definitions.

    You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL:

    http://www.freemathhelp.com/forum/th...Before-Posting
    “... mathematics is only the art of saying the same thing in different words” - B. Russell

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