Question

Solve with identity:
102×98
Explain with steps

Answer 1

Answer:

9996

Step-by-step explanation:

(100+2)(100-2) = (100)²-(2)²=10000-4 = 9996

Answer 2

Hey there! ☺☻☺

Given,

98 × 102

We can write them as (100-2) × (100+2)

We know,

(a-b) (a+b) = a² - b²

⇒ (100 - 2) (100 + 2)

⇒ (100)² - 2²

⇒ 10000 - 4

⇒ 9996 (←Answer)