Question

(99)^3 how to solve it using identity

Answer 1

Heya user ,
Here is your answer !!

99³
= ( 100 - 1 )³
Using ( a - b )³ formulae , we can solve it .

Hence ,
( 100 - 1 )³
= 100³ - 1³ - 3 * 100 * 1 ( 100 - 1 )
= 1000000 - 1 - ( 300 * 99 )
= 1000000 - 29700 - 1
= 970299 ....... [Ans]

Hope it helps you !! :)

Answer 2

Here is your answer