Question

evaluate 999^2 - 1 using identity

Answer 1

999²-1
=(999)²-(1)²
we know the formula
a²-b²=(a+b)(a-b)
(999+1)(999-1)
=1000×998
=998000
hope it helps
thank u

Answer 2

Here is your ans.Pls mark it as brainliest if helped........