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Induction

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$International Youth Math Challenge 2024: Problem D: Prove that n^5−n is divisible by 5 for all$

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International Youth Math Challenge 2024: Problem D: Prove that n^5−n is divisible by 5 for all
saxi753
Prove that n^5 − n is divisible by 5 for all positive integers n.

1 year ago 44 views