Let n be a natural number. The number of n's for which (n4 + 2n3 + 2n – InterviewSolution

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1.	Let n be a natural number. The number of n's for which (n4 + 2n3 + 2n2 + 2n + 1) is a perfect square is
Answer» Let n be a natural number. The number of n's for which (n⁴ + 2n³+ 2n² + 2n + 1) is a perfect square is

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