Show that the matrix is idempotent.

MATHEMATICS · Subjective · CBSE · Mathematics · Matrices · Matrices

Problem

Show that the matrix A=(2−2−4−1341−2−3)A=\begin{pmatrix}2&-2&-4\\-1&3&4\\1&-2&-3\end{pmatrix} is idempotent.

Related theory

Browse the problem library