+505 Find the constant k so that \(\log_{y^5}(x^3) = k \cdot\log_y(x)\) for all positive real numbers x and y with \(y \neq 1. \)
I'm unsure how to start this off. I tried turning it into exponential form but it made no sense. I think I might have to try the Change of Base formula. Can someone start me off?
