If A = [2-13-451] and B = [234-215], then ______. - Mathematics

प्रश्न

If A = $[\begin{matrix} 2 & - 1 & 3 \\ - 4 & 5 & 1 \end{matrix}]$ and B = $[\begin{matrix} 2 & 3 \\ 4 & - 2 \\ 1 & 5 \end{matrix}]$ , then ______.

विकल्प

Only AB is defined
Only BA is defined
AB and BA both are defined
AB and BA both are not defined.

MCQ

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उत्तर

If A = $[\begin{matrix} 2 & - 1 & 3 \\ - 4 & 5 & 1 \end{matrix}]$ and B = $[\begin{matrix} 2 & 3 \\ 4 & - 2 \\ 1 & 5 \end{matrix}]$ , then AB and BA both are defined.

Explanation:

Let A = [a_ij]_2×3 B = [b_ij]_3×2.

Both AB and BA are defined.

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Algebraic Operations on Matrices - Multiplication of Matrices

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If A = [2-13-451] and B = [234-215], then ______. - Mathematics

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