Question
$A$ तथा $B$ आव्यूहों के लिए सत्यापित कीजिए कि $(AB)^{\prime} = B^{\prime}\ A^{\prime}, $ जहाँ $ A = \left[\begin{array}{r} 0 \\ 1 \\ 2\end{array}\right], B = \left[\begin{array}{lll} -1 & 5& 7 \end{array}\right]$
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