Let A = 2a x + 5a y , 3a z , B = 3a x
Question:
Let A = 2ax + 5ay, – 3az, B = 3ax - 4ay, and C = ax + ay + az.
(a) Determine A + 2B.
(b) Calculate |A – 5C|.
(c) For what values of k is |kB| = 2?
(d) Find (A X B) / (A ∙ B).
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