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ConceptAdjoint and Inverse of a Matrix

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#### Question

The monthly incomes of Aryan and Babban are in the ratio 3 : 4 and their monthly expenditures are in the ratio 5 : 7. If each saves Rs 15,000 per month, find their monthly incomes using matrix method. This problem reflects which value?

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#### Reference Material

Solution for concept: Adjoint and Inverse of a Matrix. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science), ISC (Arts), ISC (Commerce), ISC (Science), PUC Karnataka Science