Which one of the following expressions is the value of the cosine of the acute angle between the vectors u = (1,2, 3) and v = (1,–2,3)? 3 (A) 7V2 2 (B) 7 (C) 7/2 3 (D)
Which one of the following expressions is the value of the cosine of the acute angle between the vectors u = (1,2, 3) and v = (1,–2,3)? 3 (A) 7V2 2 (B) 7 (C) 7/2 3 (D)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Which one of the following expressions is the value of the cosine of the acute angle between the
vectors u =
(1,2, 3) and v = (1, –2,3)?
3
(A)
7V2
2
(B)
7
(C)
7/2
3
(D)
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