Example 2 (Change of Base of Logarithms) October 3, 2017February 5, 2014 by Example 2 Given that ${\mathrm{log}}_{p}3=h$ and ${\mathrm{log}}_{p}5=k$ , express the following in term of h and or k. (a) ${\mathrm{log}}_{p}\frac{5}{3}$ (b) ${\mathrm{log}}_{15}75$