Question: In each case find an invertible matrix U such that UA = B, and express U as a product of elementary matrices. (a) (b) 2

In each case find an invertible matrix U such that UA = B, and express U as a product of elementary matrices.
(a)

In each case find an invertible matrix U such that

(b)

In each case find an invertible matrix U such that

2 1 3 -1 12 2-10 I 11], B= 3 01 2-10

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