Math, asked by harrykeniel, 6 months ago

Does anyone know the answer

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Answered by kailashjha2001

1

Step-by-step explanation:

R2=R2-3R1, R3=R3+R1

1 -2 0

0 7 1

0 -7 -1

R3=R3+R2, R2=R2+7/2R1

1 -2 0

0 0 1

0 0 0

no of non zero raws is 2

rank ofmatrix=2

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