int(1+x-(1)/(x))e^(x+(1)/(x))d

int(1)/(x^(2))e^((x-1)/(x))=......," (A) "(x)/(e^(x-1))+c," (B) "e^((x-1)/(x))+c," (C) "-e^((x)/(x-1))+c," (D) "-e^((x-1)/(x))+c

int(1+x-x^(- 1))e^(x+x^(-1))dx=

int(1+x-x^(-1))e^(x+x^(-1))dx=

int(1+x-x^(-1))e^(x+x^(-1))dx=

int(1+x-x^(- 1))e^(x+x^(- 1))dx=

If A=int_(0)^(1)(e^(x))/(x+1)dx then int_(0)^(1)(x^(2)e^(x))/(x+1)dx=

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

int_(-1)^(1)(e^(x)+1)/(e^(x)-1)dx= . . . . . . . .

int_(1)^(e) e^(x)((x-1)/(x^(2)))dx=

(i) int (e^(x) .(1-x))/(x^(2))dx (ii) int ((1+sin x)/(1+cos x))e^(x) dx