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

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

Evaluate int(1)/(sqrt(x(3-2x)))dx .

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

Evaluate int(1)/(sqrt(x+1)+sqrt(x))dx .

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

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

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

Evaluate: int1/(x^2sqrt(1+x^2))dx

Column I, a) int(e^(2x)-1)/(e^(2x)+1)dx is equal to b) int1/((e^x+e^(-x))^2)dx is equal to c) int(e^(-x))/(1+e^x)dx is equal to d) int1/(sqrt(1-e^(2x)))dx is equal to COLUMN II p) x-log[1+sqrt(1-e^(2x)]+c q) log(e^x+1)-x-e^(-x)+c r) log(e^(2x)+1)-x+c s) -1/(2(e^(2x)+1))+c

Evaluate int(dx)/(x^(2)sqrt(1+x^(2))) .