The value of (249)² – (248)² is
(a) 1²
(b) 477
(c) 487
(d) 497

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Solution

(249)² – (248)²
We know
^{$a^{2} - b^{2} = (a + b) (a - b) S o, {(249)}^{2} - {(248)}^{2} = (249 - 248) (249 + 248) = 497$}
Hence, the correct answer is option (d).

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