Question: Consider: A= [1 3 2 ] [ 2 8 8 ] (i) Find an invertible matrixU Usuch thatUA=R , whereRis the reduced row echlon form

Consider:

A= [1 3 2 ]

[ 2 8 8 ]

(i) Find an invertible matrixU

Usuch thatUA=R , whereRis thereduced row echlon formofA

A.

(ii) ExpressU as a product of elementary matrices.

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