Determine the matrix A When $$A=4123-1-2-3426+2541324382$$

Correct option is 11416142−4−4222428

Questions

Determine the matrix A When $A = 4 [\begin{array}{c} \begin{matrix} 1 & 2 & 3 \\ - 1 & - 2 & - 3 \\ 4 & 2 & 6 \end{matrix} \end{array}] + 2 [\begin{array}{rrrrr} 5 & 4 & 1 \\ 3 & 2 & 4 \\ 3 & 8 & 2 \end{array}]$

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detailed solution

Correct option is A

A=4812−4−8−1216824+10826486164=4+108+812+2−4+6−8+4−12+816+68+1624+4=1416142−4−4222428

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Determine the matrix A When A=4123-1-2-3426+2541324382

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Determine the matrix A When $A = 4 [\begin{array}{c} \begin{matrix} 1 & 2 & 3 \\ - 1 & - 2 & - 3 \\ 4 & 2 & 6 \end{matrix} \end{array}] + 2 [\begin{array}{rrrrr} 5 & 4 & 1 \\ 3 & 2 & 4 \\ 3 & 8 & 2 \end{array}]$