The change of base identity for logarithms is a highly useful technique for dealing with logarithm problems. We prove this identity $$\log_b x = \frac{\log_c x}{\log_c b}$$ and then use it to derive a few other identities as corollaries.
The change of base identity for logarithms is a highly useful technique for dealing with logarithm problems. We prove this identity $$\log_b x = \frac{\log_c x}{\log_c b}$$ and then use it to derive a few other identities as corollaries.