Question

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Answer 1

Answer:

259²-258²=517

Step-by-step explanation:

259²-258²

w.k.t. a²-b²=(a+b) (a-b)

so,

(259+258) (259-258)

517(1)

=517

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Answer 2

Answer:

$<font color =purple>$ the value of 259²-258 ² is 517.....

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