Solved: Theory and ExamplesParallel and perpendicular
Chapter 12, Problem 24E(choose chapter or problem)
Problem 24E
Theory and Examples
Parallel and perpendicular vectors Let u = i + 2j - k, v = -i + j + k, w = i + k, r = Which vectors, if any, are (a) perpendicular? (b) Parallel? Give reasons for your answers.
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