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Given A = [(2,-3)(-4,7)], compute A^–1 and show that 2A^–1 = 9I – A.

+3 votes

asked Mar 31, 2019 in Class 12 by kratos

Given A = [(2,-3)(-4,7)], compute A–1 and show that 2A–1 = 9I – A.

cbse
adjoint
inverse of a matrix
matrices
class-10
icse
class-12
complex numbers

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1 Answer

+5 votes

answered May 9, 2020 by kratos

Best answer

Given A = [(2,-3)(-4,7)],

LHS = RHS

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