Let u = (1, -2, 4), v = (3, 5, 1), w = (2, 1, -3). Find: (a) 3u – 2v
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3u-3v
= 3(1,-2,4)-2(3,5,1)
=(3,-6,12)-(6,10,2)
=(-3,-16,10)
ans
= 3(1,-2,4)-2(3,5,1)
=(3,-6,12)-(6,10,2)
=(-3,-16,10)
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