Let vectors A? =(2,1,−4), B? =(−3,0,1), and C? =(−1,−1,2)

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Let vectors A? =(2,1,−4), B? =(−3,0,1), and C? =(−1,−1,2).
Calculate the following:

Part A

A? ⋅B?  =

Part E

Which of the following can be computed?

Which of the following can be computed?

	A? ⋅B? ⋅C?
	A? ⋅(B? ⋅C? )
	A? ⋅(B? +C? )
	3⋅A? V? 1 and V? 2 are different vectors with lengths V1 and V2 respectively. Find the following: Part F Express your answer in terms of V1   V? 1⋅V? 1 = Part G If V? 1 and V? 2 are perpendicular,   V? 1⋅V? 2 = Part H If V? 1 and V? 2 are parallel, Express your answer in terms of V1 and V2.   V? 1⋅V? 2 =