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72e Math
Question 10
2015 December(72E) Math Question 10
Matrices
- Addition & Subtraction
Choice G
$$\begin{bmatrix}2\times1+3\times2 & 2\times2+3\times1 \\2\times3-3\times1 & 2\times4-3\times2 \end{bmatrix}=\begin{bmatrix}8 & 7 \\3 & 2 \end{bmatrix}$$
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