please give the correct answer with explanations, thank you Als a 3 x 4 matrix with...

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please give the correct answer with explanations, thank you

Answer 1

Answer #1

solution: how reduced echelon form of A is D 1 O -4 - 2 O 2 o o (1) two pivot columns As there are .. Sark (A) = 2 rank (A) N

Answer 2

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