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Question
If M =`|(8,3),(9,7),(4,3)|` and N = `|(4,7),(5,3),(10,1)|` find M - N
Solution
M =`|(8,3),(9,7),(4,3)|_(3 xx 2)` N = `|(4,7),(5,3),(10,1)|_(3 xx 2)`
M - N = `|(8-4 , 3-7),(9-5 , 7-3),(4+10 , 3+1)|` = `|(4 , -4),(4 , 4),(-6 , 2)|`
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