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#### Petrus

##### Well-known member

- Feb 21, 2013

- 739

if i make Taylor expansion in that ln first is this correct

\(\displaystyle \ln(1+2x-3x^2)=2x-3x^2-\frac{(2x-3x^2)^2}{2}+\frac{(2x-3x^2)^3}{3}...\)

Is that correct?

Regards,

\(\displaystyle |\pi\rangle\)