User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 22:09, 19 March 2011 (diff | hist) . . (+108) . . m 2011 AIME I Problems/Problem 15  (→Solution)
 - 22:07, 19 March 2011 (diff | hist) . . (+2,324) . . N 2011 AIME I Problems/Problem 15  (Created page with '== Problem == For some integer <math>m</math>, the polynomial <math>x^3 - 2011x + m</math> has the three integer roots <math>a</math>, <math>b</math>, and <math>c</math>. Find <…')
 - 18:48, 11 March 2011 (diff | hist) . . (+1,320) . . N 2011 AMC 12B Problems/Problem 19  (Created page with '==Problem== A lattice point in an <math>xy</math>-coordinate system is any point <math>(x, y)</math> where both <math>x</math> and <math>y</math> are integers. The graph of <math…')
 - 18:28, 11 March 2011 (diff | hist) . . (+1,956) . . Nm 2011 AMC 12B Problems/Problem 20  (Created page with '==Problem== Triangle <math>ABC</math> has <math>AB = 13, BC = 14</math>, and <math>AC = 15</math>. The points <math>D, E</math>, and <math>F</math> are the midpoints of <math>\o…')
 - 17:42, 11 March 2011 (diff | hist) . . (+1,640) . . N 2011 AMC 12B Problems/Problem 21  (Created page with '==Problem== The arithmetic mean of two distinct positive integers <math>x</math> and <math>y</math> is a two-digit integer. The geometric mean of <math>x</math> and <math>y</mat…')
 - 16:27, 11 March 2011 (diff | hist) . . (+2,274) . . N 2011 AMC 12B Problems/Problem 22  (Created page with '==Problem== Let <math>T_1</math> be a triangle with sides <math>2011</math>, <math>2012</math>, and <math>2013</math>. For <math>n \geq 1</math>, if <math>T_n = \Delta ABC</math…')
 - 15:49, 11 March 2011 (diff | hist) . . (-1) . . m 2011 AMC 12B Problems/Problem 23  (→Solution)
 - 15:48, 11 March 2011 (diff | hist) . . (+1,606) . . N 2011 AMC 12B Problems/Problem 23  (Created page with '==Problem== A bug travels in the coordinate plane, moving only along the lines that are parallel to the <math>x</math>-axis or <math>y</math>-axis. Let <math>A = (-3, 2)</math> …')
 - 15:27, 11 March 2011 (diff | hist) . . (+1,719) . . N 2011 AMC 12B Problems/Problem 24  (Created page with '== Problem == Let <math>P(z) = z^8 + \left(4\sqrt{3} + 6\right)z^4 - \left(4\sqrt{3} + 7\right)</math>. What is the minimum perimeter amont all the <math>8</math>-sided polygons…')
 - 09:30, 11 March 2011 (diff | hist) . . (+1,280) . . m 2011 AMC 12B Problems/Problem 25  (→Solution)
 - 09:18, 11 March 2011 (diff | hist) . . (-10) . . m 2011 AMC 12B Problems/Problem 25  (→Solution)
 - 09:17, 11 March 2011 (diff | hist) . . (+536) . . 2011 AMC 12B Problems/Problem 25  (→Solution)
 - 09:00, 11 March 2011 (diff | hist) . . (+3,260) . . N 2011 AMC 12B Problems/Problem 25  (Created page with '== Problem == For every <math>m</math> and <math>k</math> integers with <math>k</math> odd, denote by <math>\left[\frac{m}{k}\right]</math> the integer closest to <math>\frac{m}…')
 - 23:26, 14 February 2011 (diff | hist) . . (+2,146) . . 2011 AMC 12A Problems/Problem 23  (→Solution)
 - 23:24, 14 February 2011 (diff | hist) . . (+17) . . 2011 AMC 12A Problems/Problem 24  (→Solution)
 - 23:22, 14 February 2011 (diff | hist) . . (+1,616) . . 2011 AMC 12A Problems/Problem 24  (→Solution)
 - 23:21, 14 February 2011 (diff | hist) . . (+3,493) . . 2011 AMC 12A Problems/Problem 25  (→Solution)
 - 23:36, 23 October 2010 (diff | hist) . . (+96) . . m 2010 IMO Problems/Problem 5  (→Solution)
 - 23:34, 23 October 2010 (diff | hist) . . (+1,825) . . m 2010 IMO Problems/Problem 5 
 - 22:53, 23 October 2010 (diff | hist) . . (+54) . . m 2010 IMO Problems/Problem 3  (current)
 - 22:52, 23 October 2010 (diff | hist) . . (+7) . . m 2010 IMO Problems/Problem 1  (→See also)
 - 22:51, 23 October 2010 (diff | hist) . . (-6) . . m 2010 IMO Problems/Problem 1  (→See also)
 - 22:50, 23 October 2010 (diff | hist) . . (+109) . . m 2010 IMO Problems/Problem 1 
 - 22:45, 23 October 2010 (diff | hist) . . (+367) . . m 2010 IMO Problems/Problem 3  (→Solution)
 - 22:40, 23 October 2010 (diff | hist) . . (+2) . . m 2010 IMO Problems/Problem 3  (→Solution)
 - 22:37, 23 October 2010 (diff | hist) . . (+11) . . m 2010 IMO Problems/Problem 3  (→Solution)
 - 22:36, 23 October 2010 (diff | hist) . . (+71) . . m 2010 IMO Problems/Problem 3  (→Solution)
 - 22:35, 23 October 2010 (diff | hist) . . (+1,548) . . m 2010 IMO Problems/Problem 3 
 - 22:18, 16 October 2010 (diff | hist) . . (-140) . . m 2010 USAJMO  (→Resource)
 - 22:17, 16 October 2010 (diff | hist) . . (+2) . . m Template:USAJMO box 
 - 11:48, 2 May 2010 (diff | hist) . . (+157) . . m 2010 USAJMO 
 - 11:46, 2 May 2010 (diff | hist) . . (+2,083) . . Nm Template:USAJMO box  (Created page with '<noinclude>:''This succession template is designed for the USAJMOs with 6 questions. " </noinclude>{| class="wikitable" style="clear:both; margin:0.5em auto; font-size:95%; bord…')
 - 11:42, 2 May 2010 (diff | hist) . . (+475) . . Nm 2010 USAJMO  (Created page with ''''2010 USAJMO''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. *[[2010 USAJMO Pr…')
 - 11:40, 2 May 2010 (diff | hist) . . (+59) . . Nm USAJMO Problems and Solutions  (Created page with 'USAJMO problems and solutions by test: *2010 USAJMO')
 - 21:29, 27 April 2010 (diff | hist) . . (+92) . . m USAMO Problems and Solutions 
 - 22:53, 22 April 2010 (diff | hist) . . (-13) . . m 1989 USAMO Problems/Problem 4  (→Solution)
 - 22:53, 22 April 2010 (diff | hist) . . (+1,198) . . 1989 USAMO Problems/Problem 4  (→Solution)
 - 22:39, 22 April 2010 (diff | hist) . . (-146) . . m 1992 USAMO Problems/Problem 3  (→Resources)
 - 22:38, 22 April 2010 (diff | hist) . . (+4,786) . . N 1992 USAMO Problems/Problem 5  (Created page with '==Problem 5== Let <math>\, P(z) \,</math> be a polynomial with complex coefficients which is of degree <math>\, 1992 \,</math> and has distinct zeros. Prove that there exist com…')
 - 22:37, 22 April 2010 (diff | hist) . . (-146) . . m 1992 USAMO Problems/Problem 4  (→Resources)
 - 22:09, 22 April 2010 (diff | hist) . . (+13) . . m 1993 USAMO Problems/Problem 2  (→Work)
 - 22:08, 22 April 2010 (diff | hist) . . (+19) . . m 1993 USAMO Problems/Problem 2  (→Solution)
 - 22:07, 22 April 2010 (diff | hist) . . (+2,327) . . N 1993 USAMO Problems/Problem 2  (Created page with '==Problem 2== Let <math>ABCD</math> be a convex quadrilateral such that diagonals <math>AC</math> and <math>BD</math> intersect at right angles, and let <math>E</math> be their …')
 - 19:16, 22 April 2010 (diff | hist) . . (0) . . m 1994 USAMO 
 - 19:16, 22 April 2010 (diff | hist) . . (+94) . . m 1994 USAMO 
 - 18:53, 22 April 2010 (diff | hist) . . (-5) . . m 1993 USAMO Problems/Problem 4  (→Solution)
 - 18:52, 22 April 2010 (diff | hist) . . (+2,415) . . 1993 USAMO Problems/Problem 4  (→Solution)
 - 18:32, 22 April 2010 (diff | hist) . . (+659) . . N 1993 USAMO Problems/Problem 4  (Created page with '== Problem 4== Let <math>a</math>, <math>b</math> be odd positive integers. Define the sequence <math>(f_n)</math> by putting <math>f_1 = a</math>, <math>f_2 = b</math>, and by …')
 - 18:26, 22 April 2010 (diff | hist) . . (+1,965) . . 1993 USAMO Problems/Problem 3  (→Solution)
 - 18:00, 22 April 2010 (diff | hist) . . (+1,050) . . Nm 1993 USAMO Problems/Problem 3  (Created page with '== Problem 3== Consider functions <math>f : [0, 1] \rightarrow \Re</math> which satisfy <table><tr> <td> </td><td>(i)</td><td><math>f(x)\ge0</math> …')
 
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)