" 132."int(1+x-x^(-1))e^(x+x^(-1))dx=

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

int_(0)^(1)e^(x)(x^(x)+1)^(3)dx=

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

int((x-1)e^(x))/((x+1)^(3))dx

int((x-1).e^(x))/((x+1)^(3))dx=

int((x-1)e^(x))/((x+1)^(3)) dx=

Evaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

Ecaluate the following: (i) int(sec^(2)x)/(3+tanx)dx " (ii) " int(e^(x)-e^(-x))/(e^(x)+e^(-x))dx (iii) int(1-tanx)/(1+tanx)dx " (iv) " int(1)/(1+e^(-x))dx

int_(-1)^(1)|x|e^(x)dx