Find AB, if possible.
-$A = \left[ \begin{array} { r r r } 4 & 3 & 7 \ - 3 & 8 & 0 \end{array} \right]$ and $B = \left[ \begin{array} { r r r } - 6 & 7 & - 2 \ 7 & 1 & - 6 \end{array} \right]$

A) $\left[ \begin{array} { r r } - 23 & 7 \ 2 & 35 \end{array} \right]$

B) $\left[ \begin{array} { r r r } - 2 & 10 & 5 \ 4 & 9 & - 6 \end{array} \right]$

C) $\left[ \begin{array} { r r } - 25 & 49 \ 34 & - 77 \end{array} \right]$

D) Not possible

Question

Find AB, if possible.
-$A = \left[ \begin{array} { r r r } 4 & 3 & 7 \ - 3 & 8 & 0 \end{array} \right]$ and $B = \left[ \begin{array} { r r r } - 6 & 7 & - 2 \ 7 & 1 & - 6 \end{array} \right]$

A) $\left[ \begin{array} { r r } - 23 & 7 \ 2 & 35 \end{array} \right]$

B) $\left[ \begin{array} { r r r } - 2 & 10 & 5 \ 4 & 9 & - 6 \end{array} \right]$

C) $\left[ \begin{array} { r r } - 25 & 49 \ 34 & - 77 \end{array} \right]$

D) Not possible

Quizplus · Accepted Answer

Matrix multiplication is not possible because the number of columns in the first matrix (3) does not match the number of rows in the second matrix (2).

Find AB, If Possible A=[437−380]A = \left[ \begin{array} { r r r } 4 & 3 & 7 \\ - 3 & 8 & 0 \end{array} \right]A=[4−3​38​70​]

Find AB, If Possible $A = \left[ \begin{array} { r r r } 4 & 3 & 7 \\ - 3 & 8 & 0 \end{array} \right]$