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Nov 6, 2023 at 11:50 comment added Carlo Beenakker there is a typo in the post: $4k$ should be $-4k$ for an elementary solution
Nov 6, 2023 at 11:50 answer added Carlo Beenakker timeline score: 3
Nov 6, 2023 at 9:18 history edited Daniele Tampieri CC BY-SA 4.0
Math Jaxing
S Nov 6, 2023 at 8:43 review First questions
Nov 6, 2023 at 9:17
S Nov 6, 2023 at 8:43 history asked z yuli CC BY-SA 4.0