If A - - 1 -1 0- 2 3 4- 0 1 2 - and B - - 2 2 -4- -4 2 -4- 2 -1 5 - are two square matrices- find AB-

Given, A = [ 1 amp; 1 amp; 0; 2 amp; 3 amp; 4; 0 amp; 1 amp; 2 ] and B = [ 2 amp; 2 amp; 4; 4 amp; 2 amp; 4; ...

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Multiplication of Matrices

If A = [ 1 ...

Question

If $A = ⎡ ⎢ ⎣ \begin{matrix} 1 & - 1 & 0 2 & 3 & 4 0 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ and $B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 2 & - 4 - 4 & 2 & - 4 2 & - 1 & 5 \end{matrix} ⎤ ⎥ ⎦$ are two square matrices, find $A B$ .

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A = [\begin{matrix} 1 & - 1 & 0 \\ 2 & 3 & 4 \\ 0 & 1 & 2 \end{matrix}] and B = [\begin{matrix} 2 & 2 & - 4 \\ - 4 & 2 & - 4 \\ 2 & - 1 & 5 \end{matrix}]

A = ⎛ ⎜ ⎝ \begin{matrix} 1 & - 1 & 0 2 & 3 & 4 0 & 1 & 2 \end{matrix} ⎞ ⎟ ⎠

B = ⎛ ⎜ ⎝ \begin{matrix} 2 & 2 & - 4 - 4 & 2 & - 4 2 & - 1 & 5 \end{matrix} ⎞ ⎟ ⎠

x - y = 3, 2 x + 3 y + 4 z = 17

y + 2 x = 7

A = ⎡ ⎢ ⎣ \begin{matrix} - 1 & 0 & 2 2 & 3 & 4 0 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦ B = ⎡ ⎢ ⎣ \begin{matrix} 2 & 2 & - 4 - 4 & 2 & - 4 2 & - 1 & 5 \end{matrix} ⎤ ⎥ ⎦,

B + A

A B = B^{- 1}

A^{- 1}

A

B

A, B

A B = B A

A B

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