What is the anti derivative of 1 divided by x?

Answer 1

If

f(x)=1/x

then

F(x)=antiderivative of f(x)=ln(|x|)

(the natural log of the absolute value of x)

There's another way of reading this question. The anti derivative of 1 is x+c. Dividing that by x gives you 1 + c/x