Question

please guys help karo and follow karona​

Answer 1

Answer:

1. 16x²y²-1

=(16xy)²-(1)²

=(16xy+1)(16xy-1)

2. 81a²-9/b²

=(9a)²-(3/b)²

=(9a+3/b)(9a-3/b)

Hope it helps you....

please mark my answer as brainleist......