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Question
Let `A = [(2,4),(3,2)] , B = [(1,3),(-2,5)], C = [(-2,5),(3,4)]`
Find A - B
Sum
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Solution
`A-B = [(2,4),(3,2)]-[(1,3),(-2,5)]`
= `[(2-1, 4-3), (3-(-2), 2-5)]`
=`[(1,1),(5,-3)]`
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