Question

the expression \left(\begin{matrix}x^2y ^{-5}z ^{-4} \\ (xy)^{-3}z^4\end{matrix}\right)^{-1}

equals x^ry^sz^t.Find r,s and t?

Answer 1

\[\left(\begin{matrix}x^2y ^{-5}z ^{-4} \\ (xy)^{-3}z^4\end{matrix}\right)^{-1}\]

Answer 2

What kind of operation is going on here?