A First Course in Linear Algebra · Problem MINM.M10

Matrices — Robert Beezer

Mathematics — Linear Algebra · invertible-matrix-parameters

Problem

Find values of

x

y

z

so that matrix

A = \begin{bmatrix} 1 & 2 & x \\ 3 & 0 & y \\ 1 & 1 & z \end{bmatrix}

is invertible.