The value of `int sqrt((1)/(x^(2))+(1)/(x^(6)))dx` is equal

The value of int sqrt((x-1)/(x+1))(.1)/(x^(2))dx is equal to

The value of int(sqrt(1+x))/(x)dx , is

The value of int(1)/((2x-1)sqrt(x^(2)-x))dx is equal to (where c is the constant of integration)

int(sqrt(x^(2)+1))/(x^(4))dx is equal to

The value of int(e^(x)(2-x^(2)))/((1-x)sqrt(1-x^(2)))dx is equal to

The value if int(x^(2)-1)/((x^(2)+1)(sqrt(x^(4)+1)))dx equal to (1)/(sqrt(2))sec^(-1)(f(x))+c , then f(x) is

int sqrt((e^(x)-1)/(e^(x)+1))dx is equal to

int((x^(2)-1))/((x^(2)+1)sqrt(x^(4)+1))dx is equal to