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If A is an Idempotent matric and I is the idenity matrix of the same order, then the value of n such that (A +I) n = I+27A is …....? If A is an Idempotent matric and I is the idenity matrix of the same order, then the value of n such that (A +I)n = I+27A is …....?
From idpotent matrix rule that is a matrix A with when multiplying with itself would yield the matrix itself that is A matrix.Mathematically,A.A = AHence in R.H.S,I + 27A = > I + A {multiplying A with 27 times would gve again A itself}Therfore, (A +I)n = I + AHence,n = 1
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