Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Let P and Q be 3 x 3 matrices `P !=Q`. If `P^3=Q^3` and `P^2Q=Q^2P` then determinant of `(P^2+ Q^2)` is equal to - Sarthaks eConnect

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

-2

-1