well this is the question... if a,m and n are positive integers with m<n, then (a^(2^m)+1) is a divisor of (a^(2^n)-1)... I started using induction and it works for the first step... but for the second one i do not know if i can make induction on m... any hint would help.. thanks :)(adsbygoogle = window.adsbygoogle || []).push({});

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# If a,m and n are positive integers with m<n

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