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- 19:26, 30 June 2010 (diff | hist) . . (-43) . . m Mathematics scholarships (Reverted edits by Enrikem (Talk) to last revision by Vicky13)
- 08:35, 22 July 2009 (diff | hist) . . (+735) . . N 2009 USAMO Problems/Problem 6 (Created page with '== Problem == Let <math>s_1, s_2, s_3, \ldots</math> be an infinite, nonconstant sequence of rational numbers, meaning it is not the case that <math>s_1 = s_2 = s_3 = \cdots.</ma…')
- 08:34, 22 July 2009 (diff | hist) . . (+791) . . N 2009 USAMO Problems/Problem 5 (Created page with '== Problem == Trapezoid <math>ABCD</math>, with <math>\overline{AB}||\overline{CD}</math>, is inscribed in circle <math>\omega</math> and point <math>G</math> lies inside triangl…')
- 08:30, 22 July 2009 (diff | hist) . . (+984) . . Orthocenter
- 06:50, 22 July 2009 (diff | hist) . . (0) . . m Number theory (→Books)
- 00:58, 27 March 2009 (diff | hist) . . (+1,470) . . m Derivative/Formulas (Reverted edits by Mathforce1 (Talk) to last version by 1=2)
- 13:26, 13 March 2009 (diff | hist) . . (0) . . m 1987 AIME Answer Key (current)
- 21:15, 9 March 2009 (diff | hist) . . (+1,021) . . m Floor function
- 11:51, 28 February 2009 (diff | hist) . . (+429) . . m 1984 AIME Problems/Problem 15 (→Solution)
- 10:35, 28 February 2009 (diff | hist) . . (-1) . . m 1984 AIME Problems (→Problem 8)
- 23:52, 11 February 2009 (diff | hist) . . (-120) . . m United States of America Mathematical Olympiad (→Recommended reading)
- 01:24, 5 January 2009 (diff | hist) . . (+13) . . m 2006 AIME A Problems/Problem 15 (→Solution)
- 03:25, 4 January 2009 (diff | hist) . . (-54) . . m Template:ProbAMC (current)
- 22:35, 3 January 2009 (diff | hist) . . (+3,015) . . 1975 USAMO Problems/Problem 2
- 17:08, 3 January 2009 (diff | hist) . . (+3,160) . . N 1976 USAMO Problems (New page: Problems from the '''1976 USAMO'''. ==Problem 1== <asy> void fillsq(int x, int y){ fill((x,y)--(x+1,y)--(x+1,y+1)--(x,y+1)--cycle, ...)
- 17:06, 3 January 2009 (diff | hist) . . (+4) . . m 1975 USAMO Problems
- 17:04, 3 January 2009 (diff | hist) . . (+26) . . m 1976 USAMO Problems/Problem 5
- 17:03, 3 January 2009 (diff | hist) . . (+377) . . N 1976 USAMO Problems/Problem 4 (New page: ==Problem== If the sum of the lengths of the six edges of a trirectangular tetrahedron <math>PABC</math> (i.e., <math>\angle APB=\angle BPC=\angle CPA=90^o</math>) is <math>S</math>, deter...)
- 16:57, 3 January 2009 (diff | hist) . . (+363) . . m 1994 AIME Problems/Problem 6 (→Solution)
- 16:41, 3 January 2009 (diff | hist) . . (+15) . . m 1994 AIME Problems/Problem 14 (→Solution)
- 16:41, 3 January 2009 (diff | hist) . . (+1,270) . . N 1976 USAMO Problems/Problem 2 (New page: ==Problem== If <math>A</math> and <math>B</math> are fixed points on a given circle and <math>XY</math> is a variable diameter of the same circle, determine the locus of the point of inter...)
- 14:43, 3 January 2009 (diff | hist) . . (+438) . . m 1976 USAMO Problems/Problem 1
- 02:20, 3 January 2009 (diff | hist) . . (+1,128) . . m AoPS Wiki:AoPS Community Awards (→Perfect AMC Scores)
- 01:47, 3 January 2009 (diff | hist) . . (+1,220) . . 1974 USAMO Problems/Problem 2
- 01:15, 3 January 2009 (diff | hist) . . (+3,278) . . 1974 USAMO Problems/Problem 5
- 22:52, 2 January 2009 (diff | hist) . . (0) . . m Template:AIME Problems
- 21:29, 31 December 2008 (diff | hist) . . (+16) . . m USAMO Problems and Solutions
- 18:36, 30 December 2008 (diff | hist) . . (-3) . . m 1973 USAMO Problems (→See also)
- 18:36, 30 December 2008 (diff | hist) . . (-3) . . m 1974 USAMO Problems (→See also)
- 18:36, 30 December 2008 (diff | hist) . . (+2,098) . . N 1975 USAMO Problems (New page: Problems from the ''' USAMO'''. ==Problem 1== (a) Prove that <center><math>[5x]+[5y]\ge [3x+y]+[3y+x]</math>,</center> where <math>x,y...)
- 18:33, 30 December 2008 (diff | hist) . . (+1) . . m 1975 USAMO Problems/Problem 1 (→Problem)
- 18:32, 30 December 2008 (diff | hist) . . (+487) . . N 1975 USAMO Problems/Problem 5 (New page: ==Problem== A deck of <math>n</math> playing cards, which contains three aces, is shuffled at random (it is assumed that all possible card distributions are equally likely). The cards are ...)
- 18:28, 30 December 2008 (diff | hist) . . (+2,181) . . N 1963 IMO Problems (New page: Problems of the 5th IMO 1963 Poland. == Day I == === Problem 1 === Find all real roots of the equation <center><math>\sqrt{x^2-p}+2\sqrt{x^2-1}=x</math>,</center>where <math>p</math...)
- 18:25, 30 December 2008 (diff | hist) . . (+732) . . N 1963 IMO Problems/Problem 6 (New page: ==Problem== Five students, <math>A,B,C,D,E</math>, took part in a contest. One prediction was that the contestants would finish in the order <math>ABCDE</math>. This prediction was very po...)
- 18:23, 30 December 2008 (diff | hist) . . (+190) . . N 1963 IMO Problems/Problem 5 (New page: ==Problem== Prove that <math>\cos{\frac{\pi}{7}}-\cos{\frac{2\pi}{7}}+\cos{\frac{3\pi}{7}}=\frac{1}{2}</math>. ==Solution== {{solution}} ==See Also== {{IMO box|year=1963|num-b=4|num-a=6...)
- 18:21, 30 December 2008 (diff | hist) . . (+339) . . N 1963 IMO Problems/Problem 4 (New page: ==Problem== Find all solutions <math>x_1,x_2,x_3,x_4,x_5</math> of the system <center><math>\begin{eqnarray} x_5+x_2&=&yx_1\\ x_1+x_3&=&yx_2\\ x_2+x_4&=&yx_3\\ x_3+x_5&=&yx_4\\ x_4+x_1&=&y...)
- 18:19, 30 December 2008 (diff | hist) . . (+316) . . N 1963 IMO Problems/Problem 3 (New page: ==Problem== In an <math>n</math>-gon all of whose interior angles are equal, the lengths of consecutive sides satisfy the relation <center><math>a_1\ge a_2\ge \cdots \ge a_n</math>.</cente...)
- 18:17, 30 December 2008 (diff | hist) . . (+336) . . N 1963 IMO Problems/Problem 2 (New page: ==Problem== Point <math>A</math> and segment <math>BC</math> are given. Determine the locus of points in space which are the vertices of right angles with one side passing through <math>A<...)
- 18:15, 30 December 2008 (diff | hist) . . (+243) . . N 1963 IMO Problems/Problem 1 (New page: ==Problem== Find all real roots of the equation <center><math>\sqrt{x^2-p}+2\sqrt{x^2-1}=x</math>,</center>where <math>p</math> is a real parameter. ==Solution== {{solution}} ==See Also...)
- 18:10, 30 December 2008 (diff | hist) . . (+422) . . N 1962 IMO Problems/Problem 7 (New page: ==Problem== The tetrahedron <math>SABC</math> has the following property: there exist five spheres, each tangent to the edges <math>SA, SB, SC, BC, CA, AB</math>, or to their extensions. ...)
- 18:09, 30 December 2008 (diff | hist) . . (+374) . . N 1962 IMO Problems/Problem 6 (New page: ==Problem== Consider an isosceles triangle. Let <math>r</math> be the radius of its circumscribed circle and <math>\rho</math> the radius of its inscribed circle. Prove that the distance <...)
- 18:09, 30 December 2008 (diff | hist) . . (+346) . . N 1962 IMO Problems/Problem 5 (New page: ==Problem== On the circle <math>K</math> there are given three distinct points <math>A,B,C</math>. Construct (using only straightedge and compass) a fourth point <math>D</math> on <math>K<...)
- 18:08, 30 December 2008 (diff | hist) . . (+155) . . N 1962 IMO Problems/Problem 4 (New page: ==Problem== Solve the equation <math>cos^2{x}+cos^2{2x}+cos^2{3x}=1</math>. ==Solution== {{solution}} ==See Also== {{IMO box|year=1962|num-b=3|num-a=5}})
- 18:08, 30 December 2008 (diff | hist) . . (+841) . . N 1962 IMO Problems/Problem 3 (New page: ==Problem== Consider the cube <math>ABCDA'B'C'D'</math>(<math>ABCD</math> and <math>A'B'C'D'</math> are the upper and lower bases, respectively, and edges <math>AA'</math>, <math>BB'</math...)
- 18:07, 30 December 2008 (diff | hist) . . (+238) . . N 1962 IMO Problems/Problem 2 (New page: ==Problem== Determine all real numbers <math>x</math> which satisfy the inequality: <center> <math>\sqrt{\sqrt{3-x}-\sqrt{x+1}}>\dfrac{1}{2}</math> </center> ==Solution== {{solution}} =...)
- 17:57, 30 December 2008 (diff | hist) . . (+409) . . N 1962 IMO Problems/Problem 1 (New page: ==Problem== Find the smallest natural number <math>n</math> which has the following properties: (a) Its decimal representation has 6 as the last digit. (b) If the last digit 6 is erased ...)
- 17:56, 30 December 2008 (diff | hist) . . (-2) . . m 1962 IMO Problems (→Problem 1)
- 17:55, 30 December 2008 (diff | hist) . . (+1,325) . . 1962 IMO Problems
- 17:46, 30 December 2008 (diff | hist) . . (+587) . . N 1960 IMO Problems/Problem 7 (New page: ==Problem== An isosceles trapezoid with bases <math>a</math> and <math>c</math> and altitude <math>h</math> is given. a) On the axis of symmetry of this trapezoid, find all points <math>P...)
- 17:45, 30 December 2008 (diff | hist) . . (-13) . . m 1960 IMO Problems/Problem 6 (→See Also)
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