Math, asked by keshav4121, 1 year ago

(998)^2 using identities solve

Answers

Answered by yashii10
6
(998)²
It can also be written as
(1000-2)²
[Using the identity (a-b)²=a²+b²-2ab]
where a=1000, b=2
(1000)²+(2)²+2× 1000× 2
1000000 + 4 - 4000
1000004-4000
996004
So,
(998)²=(1000-2)²=996004
It's the required answer
Answered by rajpatelrp30
3

 {1000 - 2}^{2}  \\  {1000}^{2} - 2 \times (1000) \times (2) +  {2 }^{2}   \\ 1000000 - 4000 + 4 \\ 996004
Similar questions