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Matrices (p-1) — Maths (commerce) STD 12 Commerce / Arts — Question

Maharashtra BoardEnglish MediumSTD 12 Commerce / ArtsMaths (commerce)Matrices (p-1)1 Mark
Question
Evaluate$:\left[\begin{array}{l}3 \\ 2 \\ 1\end{array}\right]\left[\begin{array}{lll}2 & -4 & 3\end{array}\right]$
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Answer

$ \left[\begin{array}{l} 3 \\ 2 \\ 1 \end{array}\right]\left[\begin{array}{lll} 2 & -4 & 3 \end{array}\right]$
$=\left[\begin{array}{rrr} 6 & -12 & 9 \\ 4 & -8 & 6 \\ 2 & -4 & 3 \end{array}\right] $

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