If A - -1 2 3- and B - - 1- 2- 3 - then find AB-

A = [ 1 amp; 2 amp; 3 ] B = [ 1; 2; 3 ] AB = [ 1 × 1 + 2 × 2 + 3 × 3 ] AB = [ 14 ] ∴ (AB)' = [ 14 ] ...

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Scalar Multiplication of a Matrix

If A = [1 2...

Question

If $A = [123]$ and $B = ⎡ ⎢ ⎣ \begin{matrix} 123 \end{matrix} ⎤ ⎥ ⎦$ , then find $(A B)^{'}$

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

A = ⎡ ⎢ ⎣ \begin{matrix} - 1 23 \end{matrix} ⎤ ⎥ ⎦

B = [\begin{matrix} - 2 & - 1 & - 4 \end{matrix}]

A B

- 12

k

If $A = ⎡ ⎢ ⎣ \begin{matrix} 123 \end{matrix} ⎤ ⎥ ⎦$ then find $A A^{T}$ .

A = [\begin{matrix} 1 & 2 \\ 3 & - 1 \end{matrix}] and B = [\begin{matrix} 1 & - 4 \\ 3 & - 2 \end{matrix}], find | A B |

A = ⎡ ⎢ ⎣ \begin{matrix} - 1 23 \end{matrix} ⎤ ⎥ ⎦

B = [\begin{matrix} - 2 & - 1 & - 4 \end{matrix}]

K = 1

A

(A B)^{'}

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