Evaluate int(x^(2)+1)/((x^(2)+4)(x^(2)+2...

Evaluate `int(x^(2)+1)/((x^(2)+4)(x^(2)+25))dx`.

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The correct Answer is:

`-(1)/(14)"tan"^(-1)(x/2)+(8)/(35)"tan"^(-1)(x/5)+C`

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