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#### Petrus

##### Well-known member

- Feb 21, 2013

- 739

I have problem understanding the last part, why do they square the bottom?

Is it because we got -2? if we would have -3 would we take the bottom \(\displaystyle (bottom)^3\)?

I am aware that \(\displaystyle \ln|f(x)|- \ln|g(x)|= \ln\frac{f(x)}{g(x)}\)

Regards,

\(\displaystyle |\pi\rangle\)