Question

use identites to evaluate (97)^2​

Answer 1

Step-by-step explanation:

It is in the form of (a-b)(a-b)=a²‐2ab+b²

We can write it as

(100-3)(100-3)=(100)²‐2×100×3+(3)²

=10000‐600+9

=9409

So the answer is 9409