Question

Evaluate the following using suitable identities: (998)²

plz plz give me right answer​

Answer 1

Answer:

998

2

=(1000−2)

2

Using,

(a−b)

2

=a

2

−2ab+b

2

we get,

=(1000)

2

−2(1000)(2)+(2)

2

=1000000−4000+4

=996004