2020 IMO Problems/Problem 2
Revision as of 00:56, 23 September 2020 by Epicnumbertheory (talk | contribs) (Created page with "Problem 2. The real numbers a, b, c, d are such that a ≥ b ≥ c ≥ d > 0 and a + b + c + d = 1. Prove that (a+2b+3c+4d)<math>a^a</math>")
Problem 2. The real numbers a, b, c, d are such that a ≥ b ≥ c ≥ d > 0 and a + b + c + d = 1.
Prove that
(a+2b+3c+4d)
