Question: Let u = PQ and v = PR, and find (a) The component forms of u and v (b) u . v (c) v .

Let u = PQ̅  and v = PR̅, and find 

(a) The component forms of u and v

(b) u . v

(c) v . v

P = (5, 0, 0), Q = (4, 4, 0), R =

P = (5, 0, 0), Q = (4, 4, 0), R = (2,0, 6)

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