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Vectors & Spaceshard
0:00.0

What is the dimension of the subspace W=span{(1,0,0,1),(0,1,0,1),(0,0,1,1),(1,1,1,3)}W = \text{span}\{(1,0,0,1), (0,1,0,1), (0,0,1,1), (1,1,1,3)\}W=span{(1,0,0,1),(0,1,0,1),(0,0,1,1),(1,1,1,3)} in R4\mathbb{R}^4R4?