Which of the matrices below represents 2A + B? (type in the letter of the correct one) A. [4 -6; 2 8] B. [12 -16; 0 14] C. [8 -10; 2 6] D. [8 -11; -1 11]
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To do this, we multiply each element of matrix A by 2. Matrix A is \[\left[\begin{array}{cc} 4 & -6 \\ 2 & 8 \end{array}\right]\] So, \(2A\) is \[\left[\begin{array}{cc} 8 & -12 \\ 4 & 16 \end{array}\right]\] Show more…
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