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  • Compute the indicated products. (ii) [1 2 3] [ 2 3 4 ]

Q3.    Compute the indicated products.

            (ii)     \begin{bmatrix} 1\\ 2\\ 3 \end{bmatrix}\begin{bmatrix} 2 &3 & 4 \end{bmatrix}

Answers (1)

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     (ii) the multiplication can be performed as follows

    \begin{bmatrix} 1\\ 2\\ 3 \end{bmatrix}\begin{bmatrix} 2 &3 & 4 \end{bmatrix}

           =\begin{bmatrix} 1\times 2 &1\times 3&1\times 4\\ 2\times 2&2\times 3&2\times 4\\3\times 2&3\times 3&3\times 4 \end{bmatrix}

        =\begin{bmatrix} 2 &3& 4\\ 4&6&8\\6&9&12 \end{bmatrix}

 

Posted by

seema garhwal

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