Question 3 please answer clearly. A matrix A and its reduced row echelon form are given...

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Question 3

please answer clearly.

A matrix A and its reduced row echelon form are given as follows: [ 2 1 3 41 | 1 2 0 2 A= 3 21 12 | 3 -1 7 9 18 7 9 -4 and rr

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Answer 1

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