Question

choose the correct answer :The value of 9982 by using (a-b) 2 identity
a. 996008
b. 996004
c.99804
d. None of the above ​

Answer 1

answer:- b) 996004

Step-by-step explanation:

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