riya51 riya51 18-07-2021 Mathematics contestada i 0 -i 8. If P=0 -i i -i i 0 pois ecual to then PQ is equal to and Q=00 i -i. (-2 2 1 -1 1 2 -2 -1 1 (1) ( 2) -1 2 -2 -1 1 (3) 1 0 0 0 1 0 0 0 1 (4)