Question

What is the antiderivative of `4/x^2`? thanks!?

Answer 1

ant derivative is indefinite integral
`int` `4/x^2` `dx`
=`4int` `1/x^2dx`
=`4int` `x^-2dx`
=`4` `x^-1/-1` `+c`
=`-4/x+c`