5) Let A = (4, 1,2) and B= (1,2,-1). Find: a) ProjAB ProjBA b) all nonzero vectors X in R³ orthogonal to A and B c) angle between A and B (measured in degrees)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 9E
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Let A = (4,1,2) and B = (1,2,-1).

PLEASE DO NOT USE OCTAVE OR MATLAB, SHOW ALL WORK.

Find:

a) ProjAB·ProjBA 

b) all nonzero vectors X in R3 orthogonal to A and B

c) angle between A and B (measured in degrees) 

5) Let A=(4, 1, 2) and B = (1,2,-1). Find:
a) ProjAB ProjBA
b) all nonzero vectors X in R³ orthogonal to A and B
c) angle between A and B (measured in degrees)
3
Transcribed Image Text:5) Let A=(4, 1, 2) and B = (1,2,-1). Find: a) ProjAB ProjBA b) all nonzero vectors X in R³ orthogonal to A and B c) angle between A and B (measured in degrees) 3
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