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

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

int (4e^(3x) +1)dx

Evaluate the following integrals: int(e^x-1)/(e^x+1)dx

Evaluate: int1/(1+e^(-x))\ dx

Evaluate : int_(-1)^(1)e^(x)dx

Evaluate: int1/(e^x+1)\ dx

If int (e^x-1)/(e^x+1)dx=f(x)+C, then f(x) is equal to

Evaluate int_(0)^(1)(e^(-x)dx)/(1+e^(x))

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