Question

(402)²-(398)²

solve the following.​

Answer 1

Step-by-step explanation:

3200

is the answer

hope it helps

Answer 2

Answer:

Solution :-

★ (402)² - (398)²

➞ (402 + 398) (402 - 398)

➞ (800) (4)

➞ 800 × 4

➞ 3200

∴ The answer of this question is 3200

Formula used :-

➙ a² - b²

➻ (a + b) (a - b)