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RMO Practice Question 1

Number Theory Level 3

Let $n$ be a positive integer. The number of $n$ 's for which $n^{4}+2n^{3}+2n^{2}+2n+1$ is a perfect square.

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Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by Shivam Jadhav

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