Find u · v, u· u, ||v||?, (u · v)v, and u · (3v). u - 7i +j - 5k, v =i- 3j + 2k (a) u. v |-10 (b) u.u (c) ||v|?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 1E
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Find u · v, u· u, ||v|, (u · v)v, and u · (3v).
u = 7i +j - 5k, v = i- 3j + 2k
(a) u. v
|-10
(b) u.u
(c) ||v||2
(d) (u · v)v
(e) u. (3v)
Transcribed Image Text:Find u · v, u· u, ||v|, (u · v)v, and u · (3v). u = 7i +j - 5k, v = i- 3j + 2k (a) u. v |-10 (b) u.u (c) ||v||2 (d) (u · v)v (e) u. (3v)
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