texelaare

2020-12-21

Enter the expression that would produce the answer (do include the answer) for row 1 column 1 of the multiplied matrix $A\cdot B$ :

List the expression in order with the original values using$\cdot $ for multiplication.

then find$A\cdot B$

If$A=\left[\begin{array}{cc}3& 7\\ 2& 4\end{array}\right]\text{and}B=\left[\begin{array}{cc}-3& 6\\ 4& -2\end{array}\right]$

List the expression in order with the original values using

then find

If

Benedict

Skilled2020-12-22Added 108 answers

Step 1

To multiply matrix A with matrix B, The number of columns of matrix A and the number of rows of matrix B should be equal.

For multiplication of

the first row of the resultant matrix is as below:

=ap+br

Thus, the resultant matrix is as below:

Step 2

We have,

Therefore.

Jeffrey Jordon

Expert2022-01-29Added 2605 answers

Answer is given below (on video)

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