Question

identities; [ p+2\q ]²​

Answer 1

Using:- (a+b)²=a²+b²+2ab

(p)²+(2/q)²+2×p×2/q

p²+4/q²+4p/q.

Answer 2

(p)^2 + (2/q)^2+ 2×p×2/q

p^2 + 4/q^2 + 4p/q