$\int \frac{3x^{2}+3x-1}{(x^{2}+x)^{3}}dx$
$\int \frac{3x^{2}+3x-1}{(x^{2}+x)^{3}}dx$
Started By chanhhoang1328, 11-12-2013 - 18:44
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Posted 11-12-2013 - 18:44
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