If and then find A

Engineering

Mathematics

Algebra of Matrices

Question

If $A = [\begin{array}{cc} 2 & 3 \\ - 1 & 4 \end{array}]$ and $B = [\begin{array}{cc} - 3 & 1 \\ 4 & - 2 \end{array}]$ then find A – B.

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A - B = [\begin{array}{cc} 2 & 3 \\ - 1 & 4 \end{array}] - [\begin{array}{cc} - 3 & 1 \\ 4 & - 2 \end{array}]

A - B = [\begin{array}{cc} 5 & 2 \\ - 5 & 6 \end{array}]