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Given u = i + 2j - 4k, v = 2i-j+2k Find the vector projection of u onto v, and write u as the

Given u = i + 2j - 4k, v = 2i-j+2k Find the vector projection of u onto v, and write u as the sum of 2 vectors, one that has the same direction as v and one that is perpendicular to v. For what values of b are the vectors (-12, b, 3) and (b, b2, b) orthogonal?

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