evaluate 249 into 251with identity
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Answered by
2
(250-1)(250+1)
[identity(a+b)(a-b)]
so 250²-1²
=62500-1
=62499
[identity(a+b)(a-b)]
so 250²-1²
=62500-1
=62499
Answered by
2
62499 is the answer.
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