Let A and B be n n matrices such that AB = I. Prove that if
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Let A and B be n × n matrices such that AB = I. Prove that if A′ is obtained from A by adding row j into row i, then subtracting column i from column j of B yields the inverse B′ of A′.
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Related Book For 
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
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