using identities find the value of 99.5 whole square
Answers
Answered by
4
Step-by-step explanation:
(99.5)²
= (100 - 0.5)² [ using the identity (a - b)²]
= (100)² + (0.5)² - (2 × 100 × 0.5)
= 10000 + 0.25 - 100
= 10000.25 - 100
= 9900.25
I HOPE THIS ANSWER WILL HELP YOU AND PLEASE MARK THIS ANSWER THE BRAINLIEST ONE
.......
Answered by
2
Step-by-step explanation:
100-0.5
100x100-(2x100x0.5)+0.5x0.5
=10000-100+0.25
=2475
it is right according to me.
if it helped you even a little Mark me as brainliest and thank me follow me
Similar questions