Determine the dimension of the subspace W=span{(1,2,3),(4,5,6),(7,8,9)}⊆R3W = \text{span}\{ (1, 2, 3), (4, 5, 6), (7, 8, 9) \} \subseteq \mathbb{R}^3W=span{(1,2,3),(4,5,6),(7,8,9)}⊆R3.
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3
0