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the value of 249^(2)-248^(2) is...

the value of `249^(2)-248^(2)` is

A

`1^(2)`

B

477

C

487

D

497

Text Solution

Verified by Experts

The correct Answer is:
D
Now `249^(2)-248^(2)=(249+248)(249-248) " " ["using identity ," a^(2)-b^(2)=(a-b)(a+b)]`
`497xx1=497`
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