`int1/(1+e^(-2x))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

Write a value of int(1)/(1+2e^(x))dx

int1/(1+e^(x))dx is equal to

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

Evaluate: int1/(e^x+e^(-x))\ dx

Evaluate int_1^4 e^(2x) dx

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

Evaluate the following integral: int_0^1(e^x)/(1+e^(2x))dx

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

Evaluate the integrals : I = int_(0)^(1) (e^(x))/( 1 + e^(2x)) dx ,