Given -7 -1 A = 3 2 4 6 let a₁ and a₂ be the columns of A, let B = {1, 2} and let H a. The number of vectors in B is b. The number of vectors in H is c. The dimension of the subspace H is = span(B). d. Is B a basis for R3? choose e. A basis for the subspace H is { }. vector

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