A First Course in Linear Algebra · Problem MINM.M11

Matrices — Robert Beezer

Mathematics — Linear Algebra · singular-matrix-parameters

Problem

Find values of

x

y

z

so that matrix

A = \begin{bmatrix} 1 & x & 1 \\ 1 & y & 4 \\ 0 & z & 5 \end{bmatrix}

is singular.