Let u=〈1,3〉, and let v=〈−6,2〉. (a) Find u − 3v (b) Find |u + v| (c) Find u · v (d) Find the angle between u and v (e) Are u and v perpendicular?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Vectors In Two And Three Dimensions
Section9.CT: Chapter Test
Problem 8CT
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Let u=〈1,3〉, and let v=〈−6,2〉.

(a) Find u − 3v
(b) Find |u + v|
(c) Find u · v
(d) Find the angle between u and v
(e) Are u and v perpendicular?
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