[" 2."int e^(x)(((1-x))/((1+x^(2))))^(2)...

[" 2."int e^(x)(((1-x))/((1+x^(2))))^(2)dx=],[((8^(x))/(1+x^(2))+C)/((-e^(x))/(1+x^(2))+C)],[(e^(x))/(1+x^(2))+C],[(-e^(x))/((1+x^(5))^(2))+C]

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If inte^(x)((1-x)/(1+x^(2)))^(2)dx=e^(x)f(x)+c, then f(x)=

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