15.int e^(x)((1-x)^(2))/((1+x^(2))^(2))dx

Evaluate: int e^(x)((1-x)^(2))/((1+x^(2))^(2))dx

Evaluate: int e^(x)((1-x)^(2))/((1+x^(2))^(2))dx

int(e^(x)(1-x)^(2))/((1+x)^(2))dx

int e^(x) ((1+ x^(2)))/((1+x)^(2))dx

int(e^(x)(1+x^(2)))/((1+x)^(2))dx

int e^(x)(tan^(-1)x+(2x)/(1+x^(2))^(2))dx

int e^(x)((1-x)/(1+x^(2)))^(2)dx

int e^(x)((1-x)/(1+x^(2)))^(2)dx

int e^(x).(x^(2)+1)/((x+1)^(2))dx

If int e^(x)(tan^(-1)x+(2x)/((1+x^(2)))^(2))dx=e^(x)(tan^(-1)x+g(x))+c where g(x) is a rational function, c is constant of integration then find the value of 20[g(2)] .