Question

(899)^2 evaluate by using identity
this question answer is 808201 but I want steps​

Answer 1

Step-by-step explanation:

ANSWER

Using the identity (a−b)

2

=a

2

+b

2

−2ab

8.9

2

=(9−0.1)

2

=9

2

+0.1

2

−2×9×0.1

=81+0.01−1.8

=79.21‬