Question
What does it mean when we say that $(c A)_{i j}=c\left(A_{i j}\right) ?$
Step 1
For simplicity, let's consider a 2x2 matrix. So, we have: \[ A = \begin{bmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{bmatrix} \] Show more…
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