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Integers inside surds (Posted on 2019-02-03) Difficulty: 3 of 5
Find all integers N for which the expression

√(N + 70710678√173) - √(N - 70710678√173)

has an integer value.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Solutioncomputer doesn't mind tedium, and discovers duplicatesCharlie2019-02-06 12:56:35
SolutionEasy PeasyFrankM2019-02-06 07:26:40
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