Question

-Let a and b be the vectors a = (1,−2,2) and b = (−3,4,0). (a) Compute...

-Let a and b be the vectors a = (1,−2,2) and b = (−3,4,0).

(a) Compute a · b.
(b) Find the angle between a and b. Leave it as an exact answer.
(c) Compute a × b.
(d) Find the area of the parallelogram spanned by a and b.
(e) True or False: The product a · (b × a) is a vector.

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