How do you integrate $\int \frac{2}{(1 - x) (1 + x^{2})} d x$ $int 2/((1-x)(1+x^2)) dx$ using partial fractions?

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Answer 1 · 2015-11-15T13:56:49

I found:
$- ln | 1 - x | + \frac{1}{2} ln (x^{2} + 1) + arctan (x) + c$ $-ln|1-x|+1/2ln(x^2+1)+arctan(x)+c$

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How do you integrate int 2/((1-x)(1+x^2)) dx∫2(1−x)(1+x2)dxint 2/((1-x)(1+x^2)) dx using partial fractions?