Given the vectors M=-10ax + 4a, – 8a: and N=8ax+7ay – 2a:, find: (a) a unit vector in the direction of –M+2N; (b) the magnitude of 5a, + N - 3M: (c) |M||2N|(M + N).

Elementary Linear Algebra (MindTap Course List)
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Chapter5: Inner Product Spaces
Section5.1: Length And Dot Product In R^n
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Vector Operation and Vector Fields

Given the vectors M= -10ax + 4a, – 8a, and N = 8ax + 7a, – 2a:,
find: (a) a unit vector in the direction of –M + 2N; (b) the magnitude
of 5a, + N – 3M; (c) |M||2N|(M +N).
Transcribed Image Text:Given the vectors M= -10ax + 4a, – 8a, and N = 8ax + 7a, – 2a:, find: (a) a unit vector in the direction of –M + 2N; (b) the magnitude of 5a, + N – 3M; (c) |M||2N|(M +N).
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