Why is it important that the definition states that the base of the logarithm is positive?

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asked Feb 20, 2018 193k views

1 Answer

Anatoli Klamer · Answer 1 · 2018-02-27T03:05:25+0000

Because thelogarithm is the inverse function of the exponential operation, i.e.: if ab=c a , then b=loga(c) b = log a ⁡ ( c ) .