Question

T
D
TAD
(9)
TD
Let A & B be square matrix of same order satisfying
AB = A & BA= B then (A2010 + B2010 ) =
(a) 22010 (A+B) (b) 2010(A+B)
(c) 2011(A+B) (d) 22011 (A+B)
let A.B.C.D be matrices not necessarily square suc
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Answer 1

let A and B the square of the matrix

AB =A & BA=B then (A2010+B2010)

the ans is A . 22010