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| 1. |
Let P and Q be `3xx3`matrices with `P!=Q`. If `P^3=""Q^3a n d""P^2Q""=""Q^2P`, then determinant of `(P^2+""Q^2)`is equal to(1) `2`(2) 1 (3)0 (4) `1` |
| Answer» Correct Answer - A | |