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Let W be the subspace of R4 generated by the vectors (1, -2, 5, -3), (2, 3, 1, -4), and (3, 8, -3, -5). Find

Let W be the subspace of R4 generated by the vectors (1, -2, 5, -3), (2, 3, 1, -4), and (3, 8, -3, -5). Find a basis and the dimension of W.

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