20. Given a = [3, -5,1], b = [-2,4,-1] and 2 = [7,3, -2], find a) b.č b) axč c) , the angle between a and c d) projąb

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter5: Inner Product Spaces
Section5.1: Length And Dot Product In R^n
Problem 82E
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20. Given a = [3, -5,1], 6 = [-2,4,-1] and 2 = [7,3, -2], find
a) b.č
b) axč
c) , the angle between å and c
d) projąb
e) Are the vectors a, b and è coplanar? Show your answer algebraically.
Transcribed Image Text:20. Given a = [3, -5,1], 6 = [-2,4,-1] and 2 = [7,3, -2], find a) b.č b) axč c) , the angle between å and c d) projąb e) Are the vectors a, b and è coplanar? Show your answer algebraically.
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