Well I came across this when someone asked me this question:(adsbygoogle = window.adsbygoogle || []).push({});

(-2)^n = 16

I can clearly see n=4. However, he did this:

ln((-2)^n) = ln(16)

n*ln(-2) = ln(16)

n*ln(2)+n*i*pi = ln(16)

How can I show that n=4 from this???

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# Natural Logarithm of Negative Numbers

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