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# 54 Revisions

 Dec 28 revised Calculate the Gamma function Γ(2.7) edited tags Feb 13 revised Must any set of positive Lebesgue measure contain a bounded set of positive measure? edited body; edited tags; edited title Dec 28 revised Prove without induction $2^n \mid (b+\sqrt{b^2-4c})^n + (b-\sqrt{b^2-4c})^n$ Appended some more discussion. Dec 28 revised Prove without induction $2^n \mid (b+\sqrt{b^2-4c})^n + (b-\sqrt{b^2-4c})^n$ [Edit removed during grace period] Dec 28 revised Prove without induction $2^n \mid (b+\sqrt{b^2-4c})^n + (b-\sqrt{b^2-4c})^n$ deleted 4 characters in body Dec 24 revised Urn problem with balls added 12 characters in body Dec 24 revised Urn problem with balls added 2 characters in body Oct 8 revised Probability/Decision- infimum over set of expectations (can be interpreted as decision problem) added 1087 characters in body Oct 7 revised Probability/Decision- infimum over set of expectations (can be interpreted as decision problem) added 235 characters in body Aug 21 revised Is there a name (and use) for an average based on the unique values of a set of data? Improved theTeX markup Jul 30 revised How to simplify a sum with binomial coefficients multiplied by $k^3/2^k$? added 55 characters in body Jul 30 revised How to simplify a sum with binomial coefficients multiplied by $k^3/2^k$? added 176 characters in body Jul 5 revised Combinatorics: Mean and Variance of an indicator function of items arranged in a circle. added 4099 characters in body Feb 6 revised Probability proof and combinatorics rolled back to a previous revision Jan 5 revised Optimisation problem; Length of a cable added 43 characters in body Jan 4 revised What's a proof that the angles of a triangle add up to 180°? edited body Oct 28 revised Convergence of a sequence edited tags Jul 13 revised Differentiating the posterior distribution function edited tags Jun 16 revised Finding an invariant under Group operations deleted 5 characters in body Jun 16 revised Finding an invariant under Group operations added 690 characters in body