Question

Evaluate using proper identities 97 x 101​

Answer 1

Step-by-step explanation:

Question:-

Evaluate using proper identities :- 97×101

Answer:-

$Q - 97 \times 101 \\ \\ ⇒(99-2)(99+2) \\ \\ ⇒(99)² - (2)² \\ \: [ ∴(a+b)(a-b) = (a)²-(b)² ]\\ \\ ⇒9801-4 \\ \\ ⇒9797(ans)$

──────────────────────────────

Hope it helps you...

#Be brainly