Which of the following is not true about the matrix $\left[\begin{array}{ccc}1 & 0 & 0 \ 0 & -1 & 0

Question

Which of the following is not true about the matrix $\left[\begin{array}{ccc}1 & 0 & 0 \ 0 & -1 & 0 \ 0 & 0 & 1\end{array}ight]$ ?\

Professor PC Thomas Classes · Answer

(d) $\left[\begin{array}{ccc}1 & 0 & 0 \ 0 & -1 & 0 \ 0 & 0 & 1\end{array}ight]$ It is not scalar matrix\