P= 2/3 Q=1/3 p^2+2pq
If p = 2/3 and q = 1/3,
then p² + 2pq = (2/3)² + 2(2/3)(1/3)
= 4/9 + 4/9 = 8/9
When you multiply fractions, multiply the numerator times the numerator and the denominator times the denominator.