Let A and B be vectors in R" and let c be a real number. Then (1) ||A|| 2 0, and || A|| = 0 if and only if A = 0 (2) ||cA|| = |c| ||A|| (3) ||A + B|| < || || + ||B||
Let A and B be vectors in R" and let c be a real number. Then (1) ||A|| 2 0, and || A|| = 0 if and only if A = 0 (2) ||cA|| = |c| ||A|| (3) ||A + B|| < || || + ||B||
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 37E
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