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Linear AlgebraHardVector Spaces & Bases

Vector Spaces & Bases · Hard problem

What is the dimension of the span of the vectors (4,0,2,4)(4, 0, 2, 4), (0,0,0,−1)(0, 0, 0, -1), (4,2,2,3)(4, 2, 2, 3) in R4\mathbb{R}^{4}?