Are the columns of the matrix A=4 O Linearly Independent O Linearly Dependent [1 -2 -31 a1 + If not, find a dependence relation between the vectors. Enter the weights for the columns (you may enter fractions if necessary) or enter DNE (in each box) if such weights do not exist. a2 + -1 9 linearly independent? 2 6 Q3 = 0

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