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- 08:39, 31 July 2020 (diff | hist) . . (0) . . m Jensen's Inequality (→Example)
- 08:39, 31 July 2020 (diff | hist) . . (+113) . . m Jensen's Inequality (→Example)
- 08:38, 31 July 2020 (diff | hist) . . (-27) . . Power Mean Inequality (→Description)
- 08:33, 31 July 2020 (diff | hist) . . (-4) . . m Jensen's Inequality (→Inequality)
- 08:33, 31 July 2020 (diff | hist) . . (0) . . Jensen's Inequality (→Inequality)
- 08:32, 31 July 2020 (diff | hist) . . (+7) . . Jensen's Inequality (→Proof)
- 08:28, 31 July 2020 (diff | hist) . . (+135) . . Jensen's Inequality (→Proof)
- 08:21, 31 July 2020 (diff | hist) . . (+628) . . Jensen's Inequality (→Proof)
- 19:29, 30 July 2020 (diff | hist) . . (-3) . . Power Mean Inequality (→Proof)
- 19:18, 30 July 2020 (diff | hist) . . (+46) . . Power Mean Inequality (→Proof)
- 19:12, 30 July 2020 (diff | hist) . . (+26) . . Power Mean Inequality (→Description)
- 11:00, 30 July 2020 (diff | hist) . . (0) . . Power Mean Inequality (→Description)
- 10:52, 30 July 2020 (diff | hist) . . (-79) . . Power Mean Inequality (→Description)
- 10:51, 30 July 2020 (diff | hist) . . (+224) . . Power Mean Inequality (→Inequality)
- 10:39, 30 July 2020 (diff | hist) . . (+8) . . Power Mean Inequality (→Proof)
- 10:36, 30 July 2020 (diff | hist) . . (+185) . . Power Mean Inequality (→Proof)
- 10:16, 30 July 2020 (diff | hist) . . (-748) . . Power Mean Inequality (→Proof)
- 10:10, 30 July 2020 (diff | hist) . . (+1,991) . . Power Mean Inequality
- 22:36, 4 June 2020 (diff | hist) . . (+6) . . 1998 JBMO Problems/Problem 2 (→See Also)
- 22:35, 4 June 2020 (diff | hist) . . (+53) . . 1998 JBMO Problems/Problem 2 (→Solutions)
- 22:26, 4 June 2020 (diff | hist) . . (-4) . . m 1998 JBMO Problems/Problem 2 (→Solution 1)
- 22:23, 4 June 2020 (diff | hist) . . (+83) . . 1998 JBMO Problems/Problem 2 (→Solution 1)
- 22:04, 4 June 2020 (diff | hist) . . (0) . . 1998 JBMO Problems/Problem 2 (→Solution 2)
- 22:04, 4 June 2020 (diff | hist) . . (+32) . . 1998 JBMO Problems/Problem 2 (→Solution 2)
- 21:59, 4 June 2020 (diff | hist) . . (+834) . . 1998 JBMO Problems/Problem 2 (→Solution)
- 06:23, 28 March 2019 (diff | hist) . . (+41) . . 1988 IMO Problems/Problem 2 (→Problem)
- 06:22, 28 March 2019 (diff | hist) . . (+54) . . 1988 IMO Problems/Problem 2 (→Problem)
- 06:17, 28 March 2019 (diff | hist) . . (+651) . . N 1988 IMO Problems/Problem 2 (Created page with "== Problem == Let <math>n</math> be a positive integer and let <math>A_1, A_2, \cdots, A_{2n+1}</math> be subsets of a set <math>B</math>. Suppose that (a) Each <math>A_i</...")
- 23:38, 18 March 2018 (diff | hist) . . (-21) . . 1986 IMO Problems/Problem 1
- 23:28, 18 March 2018 (diff | hist) . . (+845) . . 1986 IMO Problems/Problem 1
- 23:15, 18 March 2018 (diff | hist) . . (-404) . . 1959 IMO Problems/Problem 1
- 23:55, 17 February 2018 (diff | hist) . . (+1) . . m 1959 IMO Problems/Problem 4
- 14:43, 17 February 2018 (diff | hist) . . (+488) . . N 1975 IMO Problems/Problem 1 (Created page with "==Problem== Let <math>x_i, y_i</math> <math>(i=1,2,\cdots,n)</math> be real numbers such that <cmath>x_1\ge x_2\ge\cdots\ge x_n \text{ and } y_1\ge y_2\ge\cdots\ge y_n.</cmath...")
- 14:33, 17 February 2018 (diff | hist) . . (+446) . . N 1974 IMO Problems/Problem 6 (Created page with "==Problem== Let <math>P</math> be a non-constant polynomial with integer coefficients. If <math>n(P)</math> is the number of distinct integers <math>k</math> such that <math>(...")
- 14:29, 17 February 2018 (diff | hist) . . (+662) . . N 1974 IMO Problems/Problem 4 (Created page with "==Problem== Consider decompositions of an <math>8\times8</math> chessboard into <math>p</math> non-overlapping rectangles subject to the following conditions: (i) Each rectan...")
- 14:24, 17 February 2018 (diff | hist) . . (+274) . . N 1974 IMO Problems/Problem 3 (Created page with "==Problem== Prove that the number <math>\sum^n_{k=0}\binom{2n+1}{2k+1}2^{3k}</math> is not divisible by <math>5</math> for any integer <math>n\ge0.</math> ==Solution== {{solu...")
- 14:21, 17 February 2018 (diff | hist) . . (+590) . . N 1973 IMO Problems/Problem 6 (Created page with "==Problem== Let <math>a_1, a_2,\cdots, a_n</math> be <math>n</math> positive numbers, and let <math>q</math> be a given real number such that <math>0<q<1.</math> Find <math>n<...")
- 14:15, 17 February 2018 (diff | hist) . . (+690) . . N 1973 IMO Problems/Problem 1 (Created page with "==Problem== Point <math>O</math> lies on line <math>g;</math> <math>\overrightarrow{OP_1}, \overrightarrow{OP_2},\cdots, \overrightarrow{OP_n}</math> are unit vectors such tha...")
- 14:03, 17 February 2018 (diff | hist) . . (+1) . . m 1971 IMO Problems/Problem 1
- 14:02, 17 February 2018 (diff | hist) . . (-40) . . m 1967 IMO Problems/Problem 3
- 14:01, 17 February 2018 (diff | hist) . . (-40) . . m 1969 IMO Problems/Problem 2
- 14:01, 17 February 2018 (diff | hist) . . (+100) . . m 1971 IMO Problems/Problem 1
- 13:59, 17 February 2018 (diff | hist) . . (0) . . m 1967 IMO Problems/Problem 3
- 13:59, 17 February 2018 (diff | hist) . . (+501) . . N 1971 IMO Problems/Problem 2 (Created page with "==Problem== Consider a convex polyhedron <math>P_1</math> with nine vertices <math>A_1, A_2, \cdots, A_9;</math> let <math>P_i</math> be the polyhedron obtained from <math>P_1...")
- 13:53, 17 February 2018 (diff | hist) . . (+127) . . m 1967 IMO Problems/Problem 3
- 13:51, 17 February 2018 (diff | hist) . . (+120) . . m 1969 IMO Problems/Problem 2
- 13:50, 17 February 2018 (diff | hist) . . (+7) . . m 1969 IMO Problems/Problem 2
- 13:47, 17 February 2018 (diff | hist) . . (+366) . . N 1971 IMO Problems/Problem 1 (Created page with "Prove that the following assertion is true for <math>n=3</math> and <math>n=5</math>, and that it is false for every other natural number <math>n>2:</math> If <math>a_1, a_2,...")
- 13:39, 17 February 2018 (diff | hist) . . (+323) . . N 1969 IMO Problems/Problem 2 (Created page with "Let <math>a_1, a_2,\cdots, a_n</math> be real constants, <math>x</math> a real variable, and <cmath>f(x)=\cos(a_1+x)+\frac{1}{2}\cos(a_2+x)+\frac{1}{4}\cos(a_3+x)+\cdots+\frac...")
- 13:32, 17 February 2018 (diff | hist) . . (+292) . . N 1967 IMO Problems/Problem 3 (Created page with "Let <math>k, m, n</math> be natural numbers such that <math>m+k+1</math> is a prime greater than <math>n+1.</math> Let <math>c_s=s(s+1).</math> Prove that the product <cmath>(...")
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