Question: In Problems 14, find |a - b|, 2a + b, and 3a - 4b. a = (2 , 5 , -4), b = (1 ,

In Problems 1–4, find |a - b|, 2a + b, and 3a - 4b.

a = (2 , 5 , -4), b = (1 , -2 , -3)

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