Question 3 Let u, v be vectors in R³ with ||u|| = 1 = ||v||. If the angle between u and v is 60 degrees, then ||2u - - 3v||² (a) 10 (b) 13 (c) 7 (d) 16 (e) none of the above =

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
Section9.1: Vectors In Two Dimensions
Problem 35E
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Question 3 Let u, v be vectors in R³ with ||u|| = 1 = ||v||. If the angle between u and v is 60 degrees, then ||2u – 3v||² =
(a) 10
(b) 13
(c) 7
(d) 16
(e) none of the above
Transcribed Image Text:Question 3 Let u, v be vectors in R³ with ||u|| = 1 = ||v||. If the angle between u and v is 60 degrees, then ||2u – 3v||² = (a) 10 (b) 13 (c) 7 (d) 16 (e) none of the above
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