n=a²+b²-c², show that it's true for any integer n,a,b,c(adsbygoogle = window.adsbygoogle || []).push({});

its an exercise of the math olympiad of my city... i know i should have posted at least a bit of my work, but i think there is a trick to solve this category of problems that i dnt know...where should i start???

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# N=a²+b²-c², show that it's true for any integer n,a,b,c

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