1.

If matrix A= ( begin{bmatrix}4&1 6&2 end{bmatrix} ) and B= ( begin{bmatrix}-1&3 2&1 6&6 end{bmatrix} ), then find A B .

A. ( begin{bmatrix}14&14 5&4 6&18 end{bmatrix} )
B. ( begin{bmatrix}14&5 14&4 6&18 end{bmatrix} )
C. ( begin{bmatrix}14&14&60 5&4&18 end{bmatrix} )
D. ( begin{bmatrix}14&14&18 5&4&60 end{bmatrix} )
Answer» D. ( begin{bmatrix}14&14&18 5&4&60 end{bmatrix} )


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