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Joel
Joel asked in Science & MathematicsMathematics · 1 decade ago

Integral of 1/[2r^2(r^2 + 1)]?

This is part of a bigger problem, but I hope you can please help me solve the integral of 1/[2r^2(r^2 + 1)], especially over the interval from negative ∞ to positive ∞. Thanks in advance!

1 Answer

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  • kuiperbelt2003
    Lv 7
    1 decade ago
    Favorite Answer

    the value of the indefinite integral is

    1/2 (-(1/r) - ArcTan[r])

    evaluate this between limits to get your definite integral

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