Question: Verify that if Q is idempotent, then so is I Q. Also verify that (I 2Q)' = I 2Q. An (n xn) matrix P is

Verify that if Q is idempotent, then so is I Q.Also verify that (I 2Q)"' = I 2Q. An (n xn) matrix

Verify that if Q is idempotent, then so is I Q. Also verify that (I 2Q)"' = I 2Q. An (n xn) matrix P is called idempotent if p2 = P

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