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Linear AlgebraHardVector Spaces & Bases

Vector Spaces & Bases · Hard problem

What is the dimension of the span of the vectors (4,0,4,0)(4, 0, 4, 0), (−8,0,0,0)(-8, 0, 0, 0), (4,0,2,0)(4, 0, 2, 0) in R4\mathbb{R}^{4}?