Question
$\int_0^1 {\frac{{{e^x}(x - 1)}}{{{{(x + 1)}^3}}}\,dx = } $
$\int_0^1 {\frac{{{e^x}}}{{{{(x + 1)}^2}}}} dx - 2\int_0^1 {\frac{{{e^x}}}{{{{(x + 1)}^3}}}} dx = \left[ {\frac{{{e^x}}}{{{{(x + 1)}^2}}}} \right]_0^1 $
$= \frac{e}{4} - 1$.
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