Question

Please sent answer of b​

Answer 1

Answer:

$197 \times 203 \\ = > (200 - 3)(200 + 3) \\ = > 200 ^{2} - 3 ^{2} \\ = > 39991$

Answer 2

197×203

=(200-3)(200+3)

=(200)²-(3)²

=40000-9

=39991