If A=(-3,-2,1,4) and B=(0,1,2,4),find I.A-B II.B-A
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A-B=(-3-0, -2-1, 1-2, 4-4)
(-3, -3, -1, 0)
B-A= (0-(-3), 1-(-2), 2-1, 4-4)
(3, 3,1,0
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