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Need help Find the dot product v . w and the angle between v and w. v = - 2i + 3j + k, w=2i

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Find the dot product v . w and the angle between v and w. v = - 2i + 3j + k, w=2i + j+4k V . W= (Simplify your answer. Type an exact answer, using radicals as needed. Use in The angle between v and w is 0 = (Round to the nearest tenth of a degree as needed. )

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