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

int(x^(2)-1)/((x^(2)+1)sqrt(1+x^(4)))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

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

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

int(x^(2)-1)/(x^(3)sqrt(2x^(4)-2x^(2)+1))dx is equal to

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

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

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

int(x^(4)-1)/(x^(2))sqrt(x^(4)+x^(2)+1)dx equal to (A) sqrt((x^(4)+x^(2)+1)/(x)+c(B)sqrt(x^(4)+2-(1)/(x^(2)))+c)sqrt((x^(4)-x^(2)+1)/(x))+c