HCU MCA 2015 Paper

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Question : 32 of 75

Marks: +1, -0

A square matrix A is said to be Idempotent if A

^2

= A. given A is Idempotent, and b=(

\I

– A), then;

B is not Idempotent
AB = $\I$
BA $^\t$ = $\I$
None of these

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