- - 1. If à = 2ảx + 6ảy – 3ả₂ and ☎ = −3ảx – 4ảy – 5ả₂, find a. a unit vector in the direction of A - B b. the magnitude of A + B UIF B (A+3B) A+3B C.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 14E
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1. If à = 2ảx + 6ảy – 3ả₂ and ☎ = −3ảx – 4ảy – 5ả₂, find
-
a. a unit vector in the direction of A - B
b. the magnitude of A + B
C.
(A+3B)
||Ã+3B||
Transcribed Image Text:1. If à = 2ảx + 6ảy – 3ả₂ and ☎ = −3ảx – 4ảy – 5ả₂, find - a. a unit vector in the direction of A - B b. the magnitude of A + B C. (A+3B) ||Ã+3B||
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