## anonymous 4 years ago Why the absolute value signs in $\int \frac{1}{x} dx=ln( | x| )+c$ ?

1. anonymous

What's wrong with complex numbers?

2. anonymous

How would i factor the expression

3. anonymous

Quoi?

4. anonymous

what

5. anonymous

What?

6. anonymous

how would i factor the expression

7. anonymous

in the question

8. anonymous

What do you mean? Factorisation is unnecessary here

9. anonymous

$\int \frac{1}{x} dx=ln( | x| )+c$, as the LaTex in the question isn't working for me