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Linear AlgebraHardVector Spaces & Bases

Vector Spaces & Bases · Hard problem

Find the dimension of the subspace of R4\mathbb R^4 spanned by the vectors (2,2,1,2),(4,4,2,4),(2,2,1,2),(−4,−4,−2,−4)(2, 2, 1, 2), (4, 4, 2, 4), (2, 2, 1, 2), (-4, -4, -2, -4).