Question: f1 2 4 Let B :2 [l U 1 U 2 7 a] Reduce B to the identity matrix using elementary row operations. b] Using

\f1 2 4 Let B :2 [l U 1 U 2 7 a] Reduce B to the identity matrix using elementary row operations. b] Using your solution to [a], write 31 as the product of elementary matrices. NOTE: This does not require you to actually compute B'l. c] Using your solution to {b}, write B as the product of elementary matrices

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