Log a(b)=1/log b(a)
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Theorem
The following formula holds: $$\log_a(z) = \dfrac{1}{\log_b(a)},$$ where $\log_a$ denotes logarithm base a.
Proof
References
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): $4.1.20$
