Question

ii) (992) by using formula ​

Answer 1

Answer:

ANSWER

Using the identity (a+b)(a−b)= a

2

−b

2

Writing 1008 as 1000+8 and 992 as 1000−8

⇒ (1008)×(992) = (1000+8)(1000−8)

⇒ (1000+8)(1000−8) = 1000

2

−8

2

= 1000000−64 = 999936

Hence the answer is 999936