`intdx/(a^2+x^2)^(3/2)`

intdx/sqrt(a^2-x^2)

intdx/(x^2(x^4+1)^(3/4)

In each of the following,fill in the blank so that the resulting sentence becomes true. intdx/(1+x^2)^(3//2) =______.

intdx/(x^2+1)^2

intdx/(e^x-1)^2

intdx/(x^2+1)^4

Evaluate intdx/(a^2+x^2)

intdx/(25+4x^(2))

intdx/(x^2-9)

intdx/(x(1+x^2))