Changing an exponent base

Exponent.md

There is a part in CLRS chapter 3 where they have $d^k$ and they convert this to an exponential expression with a different base. The way to see this is as follows:

$$ \begin{align} d^k &= C^{\log_{c} {d^k}} \\ &= C^{k \log_c d} \\ &= C^{k / log_d c} \end{align} $$