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-16 4 7-13 Let 2 and A 2 1s u in the subset of R3 spanned by the columns of A? Why or why not? -10 1 3 -7 Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or decimal for each matrix element.) O A. Yes, multiplying A by the vectorwrites u as a linear combination of the columns of A. O B. No, the reduced row echelon form of the augmented matrix is , which is an inconsistent system.