Evaluate 18822 – 11182
Solution
We apply difference of two squares: a2
- b2 = (a-b)(a+b).
18822 – 11182= (1882 + 1118)(
1882 - 1118)
=
(3000)( 628)
= 1884000
Hence
18822 – 11182= 1884000
TRY THIS……………………
Evaluate 15442 – 14562
No comments:
Post a Comment