Ononot — What is the dimension of the subspace W = \text{span}\{(1,0,

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Vectors & Spaceshard

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What is the dimension of the subspace $W = \text{span}\{(1,0,0,1), (0,1,0,1), (0,0,1,1), (1,1,1,3)\}$ in $\mathbb{R}^4$ ?