Question: Question 1 0/4 pts J 3 - Details Let a = (4, 1, - 1) and b = ( - 2, 3, 0). Find the

Question 1 0/4 pts J 3 - Details Let a = (4, 1, - 1) and b = ( - 2, 3, 0). Find the angle between the vector (in radiansQuestion 2 A > 0/4 pts 5 3 0 Details Let a = (5, 4, 1) and b = (5, - 3, - 1). Find the projection of b onto a. proj- b O Question 3 V 0/4 pts J 3 -. Details Given u X v = ( - 4, - 3, 1), find (u - 50) x (2 + 20).

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