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Math Help - [SOLVED] Another integral

  1. #1
    Member roshanhero's Avatar
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    [SOLVED] Another integral

    Now another question
    <br />
\int \frac{1}{\sqrt {x^2+a^2}}dx<br />
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  2. #2
    Member roshanhero's Avatar
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    Sorry sorry I got it coz I have to make the substitution of x=tan u
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  3. #3
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    Quote Originally Posted by roshanhero View Post
    Now another question
    <br />
\int \frac{1}{\sqrt {x^2+a^2}}dx<br />
    Note that if a=0
    It will be easy.
    For the other values of a
    Substitute x=a tan\theta
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