Question
यदि $\mathrm{A}=\left[\begin{array}{lll}1 & 2 & 3\end{array}\right]$ व $\mathrm{B}=\left[\begin{array}{l}3 \\ 2 \\ 1\end{array}\right]$ तो आव्यूह AB तथा BA ज्ञात कीजिए।
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