Question

factorise (p+q)²-(p-q)²​

Answer 1

Answer:

(p+q)²-(p-q)² ;[ formula=(a+b)=(a²+2ab+b²).

(p²+2pq+q²)-(p²-2pq+q²)

p²+p²+2pq-2pq+q²+q²

2p²+2q²

2(p²+q²) Answer............ sahi hai tho like.........