show that the given vectors form an orthogonal basis for 2 or 3 . Then use Theorem 5.2
Chapter 5, Problem 5.1.7(choose chapter or problem)
show that the given vectors form an orthogonal basis for 2 or 3 . Then use Theorem 5.2 to express w as a linear combination of these basis vectors. Give the coordinate vector of w with respect to the basis B of 2 or of 3 . 7.
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