Question

give answer of this question

Answer 1

P={1,2} & Q={0,1,2}
P Union Q = {0,1,2}
P Intersection Q = {1,2}
PUQ x PnQ = {0,1,2} x {1,2}
= { (0,1),(0,2),(1,1),(1,2),(2,1),(2,2) }