Question

Evaluate 249 × 251 by using an identity

Answer 1

I hope it is helpful for you

please mark as brainliest answer

Answer 2

Answer: 62499

Step-by-step explanation:

Given:- 249×251

To find:- Evaluate the above using an identity.

Solution:- We can write 249×251 as,

      (250-1)(250+1)

  ⇒ $250^{2}-1^{2}$               [$a^{2}-b^{2}=(a+b)(a-b)$]

  ⇒ 62500-1

  ⇒ 62499

• Hence, the correct answer is 62499.

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