If A=⎡⎢⎢⎢⎣2315313234373223⎤⎥⎥⎥⎦andB=⎡⎢⎢⎢� – InterviewSolution

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1.	If A=⎡⎢⎢⎢⎣2315313234373223⎤⎥⎥⎥⎦andB=⎡⎢⎢⎢⎣25351152545756525⎤⎥⎥⎥⎦, then compute 3A -5B.
Answer» If $A = ⎡ ⎢⎢⎢ ⎣ \begin{matrix} \frac{2}{3} & 1 & \frac{5}{3} \frac{1}{3} & \frac{2}{3} & \frac{4}{3} \frac{7}{3} & 2 & \frac{2}{3} \end{matrix} ⎤ ⎥⎥⎥ ⎦ a n d B = ⎡ ⎢⎢⎢ ⎣ \begin{matrix} \frac{2}{5} & \frac{3}{5} & 1 \frac{1}{5} & \frac{2}{5} & \frac{4}{5} \frac{7}{5} & \frac{6}{5} & \frac{2}{5} \end{matrix} ⎤ ⎥⎥⎥ ⎦$ , then compute 3A -5B.

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