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Thread: integral by substitution

  1. April 10th 2012, 06:11 AM #1
    lawochekel
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    integral by substitution

    \int\frac{arcsinx}{\sqrt(1-x^2)}dx

    pls do help on this problem, thanks
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  2. April 10th 2012, 06:14 AM #2
    Prove It
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    Re: integral by substitution

    Quote Originally Posted by lawochekel View Post
    \int\frac{arcsinx}{\sqrt(1-x^2)}dx

    pls do help on this problem, thanks
    You should know that \displaystyle \begin{align*} \frac{d}{dx}\left(\arcsin{x}\right) = \frac{1}{\sqrt{1 - x^2}} \end{align*}, so there is a really obvious substitution to be made...
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