Question: Show that {u 1 , u 2 } or {u 1 , u 2 , u 3 } is an orthogonal basis for R 2

Show that {u1, u2} or {u1, u2, u3} is an orthogonal basis for R2 or R3, respectively. Then express x as a linear combination of the u's.


2 = [-] = [2], and x = [-2] 12 -3 -7

2 = [-] = [2], and x = [-2] 12 -3 -7

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