Find all the cofactors of the matrix. $\left[ \begin{array} { c c }
6 & 7 \
4 & - 8
\end{array} \right]$
A) $C _ { 11 } = - 7 , C _ { 12 } = - 4 , C _ { 21 } = - 6 , C _ { 22 } = 8$
B) $C _ { 11 } = - 6 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 8$
C) $C _ { 11 } = - 8 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 6$
D) $C _ { 11 } = 8 , C _ { 12 } = 4 , C _ { 21 } = 7 , C _ { 22 } = - 6$
E) $C _ { 11 } = - 6 , C _ { 12 } = - 7 , C _ { 21 } = - 4 , C _ { 22 } = 8$

Question

Find all the cofactors of the matrix.  $\left[ \begin{array} { c c } 
6 & 7 \
4 & - 8
\end{array} \right]$  
A) $C _ { 11 } = - 7 , C _ { 12 } = - 4 , C _ { 21 } = - 6 , C _ { 22 } = 8$
B) $C _ { 11 } = - 6 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 8$
C) $C _ { 11 } = - 8 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 6$
D) $C _ { 11 } = 8 , C _ { 12 } = 4 , C _ { 21 } = 7 , C _ { 22 } = - 6$
E) $C _ { 11 } = - 6 , C _ { 12 } = - 7 , C _ { 21 } = - 4 , C _ { 22 } = 8$

Quizplus · Accepted Answer

The Answer of Find all the cofactors of the matrix.  $\left[ \begin{array} { c c } 
6 & 7 \
4 & - 8
\end{array} \right]$  
A) $C _ { 11 } = - 7 , C _ { 12 } = - 4 , C _ { 21 } = - 6 , C _ { 22 } = 8$
B) $C _ { 11 } = - 6 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 8$
C) $C _ { 11 } = - 8 , C _ { 12 } = - 4 , C _ { 21 } = - 7 , C _ { 22 } = 6$
D) $C _ { 11 } = 8 , C _ { 12 } = 4 , C _ { 21 } = 7 , C _ { 22 } = - 6$
E) $C _ { 11 } = - 6 , C _ { 12 } = - 7 , C _ { 21 } = - 4 , C _ { 22 } = 8$

Find All the Cofactors of the Matrix [674−8]\left[ \begin{array} { c c } 6 & 7 \\4 & - 8\end{array} \right][64​7−8​]

Find All the Cofactors of the Matrix $\left[ \begin{array} { c c } 6 & 7 \\4 & - 8\end{array} \right]$