x + 2y + 2w z + w Let W = x, y, z, w E R be a subspace of Rª. What is the dimension of W? — 3х — 6у + 42— 2w - -z – w O dim(W) = 1 O dim(W) = 2 %3D O dim(W) = 4 O dim(W) = 3

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