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Matrices — MATHS STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceMATHSMatrices1 Mark
Question
The order of the single matrix obtained from
$
\left[\begin{array}{rr}
1 & -1 \\
0 & 2 \\
2 & 3
\end{array}\right]\left\{\left[\begin{array}{rrr}
-1 & 0 & 2 \\
2 & 0 & 1
\end{array}\right]-\left[\begin{array}{lll}
0 & 1 & 23 \\
1 & 0 & 21
\end{array}\right]\right\} \text { is }
$
✓

Answer

(d) : When a $3 \times 2$ matrix is post multiplied by a $2 \times 3$ matrix, then the product is a $3 \times 3$ matrix.

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