Let P and Q be 3 xx3 matrices with P !=...

Let P and Q be `3 xx3` matrices with `P != Q ` . If `P^(3) = Q^(3) and P^(2) Q = P^(2)Q = Q^(2) P , ` then determinant of `(P^(2) + Q^(2))` is equal to :

A

`-2`

B

1

C

0

D

`-1`

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The correct Answer is:

C

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