Suppose V1, V2, V3 is an orthogonal set of vectors in R5. Let w be a vector in Span(v1, v2, V3) such that VI. V1 = 38, v2 V2 = 162, v3 v3 = 36, w. v1 = 114, wv2 = -324, w. v3 = -108, then w = 3 V1+ -2 V2+ -3 V3.

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