Which one of the following matrices has an inverse which is not listed? $A = \left[ \begin{array} { l l } 1 & 1 \ 1 & 0 \end{array} \right] , B = \left[ \begin{array} { l l } 1 & 0 \ 0 & 1 \end{array} \right] , C = \left[ \begin{array} { l l } 0 & 1 \ 1 & - 1 \end{array} \right] , D = \left[ \begin{array} { r r } 1 & - 1 \ 1 & 0 \end{array} \right] , E = \left[ \begin{array} { l l } - 1 & 0 \ 0 & 1 \end{array} \right]$
A) E
B) A
C) B
D) C
E) D

Question

Which one of the following matrices has an inverse which is not listed?  $A = \left[ \begin{array} { l l } 1 & 1 \ 1 & 0 \end{array} \right] , B = \left[ \begin{array} { l l } 1 & 0 \ 0 & 1 \end{array} \right] , C = \left[ \begin{array} { l l } 0 & 1 \ 1 & - 1 \end{array} \right] , D = \left[ \begin{array} { r r } 1 & - 1 \ 1 & 0 \end{array} \right] , E = \left[ \begin{array} { l l } - 1 & 0 \ 0 & 1 \end{array} \right]$
A) E 
B) A 
C) B 
D) C 
E) D

Quizplus · Accepted Answer

The Answer is E

Which One of the Following Matrices Has an Inverse Which