Question

(3p+q)²–(3p–q)²=12pq


please
help​

Answer 1

Answer:

(3p+q)² - (3p-q)² = 12pq

9p²+q²+6pq-(9p²+q²-6pq) = 12pq

9p²+q²+6pq-9p²-q²+6pq = 12pq

12pq = 12pq

L.H.S = R.H.S

Hence proved.