2. Let ā = (3, -4,0) and b = (2, – 1, 5). Compute e (a) ā . 6 = <3,-4,07.<2,-1,5> %3D 6 14= 10 (b) ā xb = 3-4 0 こ 21 S 2 S. 1- (-20) -(is) <-20,-15,5 (c) comp,b

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