Considere os vetores A₁ = [1 2 1] A₂ = [-1 3 4] ¹, A3 = [ 0 1 -1 ]¹eb = [ −3_1_1]¹. Quais os valores de a α2 e a3 garantem que b E span{A₁, A2, A3}? respectivamente associados a A₁, A2 e A3 que

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