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1. Row reduce the following matrices: (a) 1 2 3 1 8 1 3 0 1...

1. Row reduce the following matrices:

(a) 1 2 3 1 8

1 3 0 1 7

1 0 2 1 3

(b) 1 1 3 −3 0

0 2 1 −3 3

1 0 2 −1 −1

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