Find the inverse of the matrices,\(\begin{bmatrix}2 &0 &-1\\[0.3em]5& 1& 0\\[0.3em]0&1 &3\end{bmatrix}\)

Question

Using elementary transformations, find the inverse of the matrices, if it exists.

\(\begin{bmatrix}2 &0 &-1\\[0.3em]5& 1& 0\\[0.3em]0&1 &3\end{bmatrix}\)

Answer 1

[A = IA]

R₁ → (\(\frac{1}{2}\))R₁