Find AB if ________________ ________________

QUESTION:

Find AB if

Find \(\mathbf{A B}\) if

a) \(\mathbf{A}=\left[\begin{array}{ll}2 & 1 \\ 3 & 2\end{array}\right], \mathbf{B}=\left[\begin{array}{ll}0 & 4 \\ 1 & 3\end{array}\right]\).

b) \(\mathbf{A}=\left[\begin{array}{rr}1 & -1 \\ 0 & 1 \\ 2 & 3\end{array}\right], \mathbf{B}=\left[\begin{array}{rrr}3 & -2 & -1 \\ 1 & 0 & 2\end{array}\right]\).

c) \(\mathbf{A}=\left[\begin{array}{rr}4 & -3 \\ 3 & -1 \\ 0 & -2 \\ -1 & 5\end{array}\right], \mathbf{B}=\left[\begin{array}{rrrr}-1 & 3 & 2 & -2 \\ 0 & -1 & 4 & -3\end{array}\right]\).

Equation Transcription:

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Text Transcription:

AB

A=[ 3   2  2   1 ], B=[ 1  3 0   4 ]

A=[ 2   3  0  1 1    -1] B=[1  0    2 3   -2    -1]  

A=[-1   5  0   -2   3  -1  4 -3] B=[1  -1  4    -3 1  3   2  -2]