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By using elementary operations, find the inverse of the matrix A = [(1, 2), (2, -1)]

+3 votes

asked Apr 6, 2019 in JEE by kratos

By using elementary operations, find the inverse of the matrix A = [(1, 2), (2, -1)]

cbse
jee
matrices
determinants
jee mains
class-12

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1 Answer

+4 votes

answered Mar 19, 2020 by kratos

Best answer

In order to use elementary row operations we may write A = IA.

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