1.

Find AB if A = ( begin{bmatrix}1&2 3&4 end{bmatrix} ) and B = ( begin{bmatrix}1&5 3&2 end{bmatrix} ).

A. AB = ( begin{bmatrix}15&23 9&7 end{bmatrix} )
B. AB = ( begin{bmatrix}9&7 23&15 end{bmatrix} )
C. AB = ( begin{bmatrix}7&9 15&23 end{bmatrix} )
D. AB = ( begin{bmatrix}7&9 23&15 end{bmatrix} )
Answer» D. AB = ( begin{bmatrix}7&9 23&15 end{bmatrix} )


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