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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 (3,−1,2,1),(−8,2,−7,−1),(−6,2,−4,−2),(2,0,3,−1)(3, -1, 2, 1), (-8, 2, -7, -1), (-6, 2, -4, -2), (2, 0, 3, -1).