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Math Help - [SOLVED] Integration

  1. #1
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    [SOLVED] Integration

    \int{\left(\frac{x}{x^2 + 1}\right)\,dx}
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  2. #2
    No one in Particular VonNemo19's Avatar
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    Quote Originally Posted by nameck View Post
    \int{\left(\frac{x}{x^2 + 1}\right)\,dx}
    I responded to your other post.
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  3. #3
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    <br /> <br />
\int{\left(\frac{x}{x^2 + 1}\right)\,dx}<br />

    <br />
u=x^2 + 1<br />
    du=2xdx

    <br /> <br />
= 0.5\int{\left(\frac{1}{u}\right)\,du}<br />

     = <br />
0.5(Ln|x^2+1|) + C<br />
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