User contributions
- 18:28, 13 November 2011 (diff | hist) . . (-5) . . 1983 USAMO Problems/Problem 2 (→Solution)
- 18:27, 13 November 2011 (diff | hist) . . (+25) . . 1983 USAMO (→1983 USAMO Problems)
- 18:26, 13 November 2011 (diff | hist) . . (-1) . . 1983 USAMO Problems/Problem 2 (→1983 USAMO Problem 1)
- 18:24, 13 November 2011 (diff | hist) . . (+200) . . N 1983 USAMO Problems/Problem 1 (Created page with " If six points are chosen sequentially at random on the circumference of a circle, what is the probability that the triangle formed by the first three is disjoint from that forme...")
- 18:24, 13 November 2011 (diff | hist) . . (-26) . . 1983 USAMO (→1983 USAMO Problems)
- 18:21, 13 November 2011 (diff | hist) . . (+2) . . 1983 USAMO (→1983 USAMO Problems)
- 18:20, 13 November 2011 (diff | hist) . . (+29) . . 1983 USAMO (→1983 USAMO Problems)
- 18:20, 13 November 2011 (diff | hist) . . (-140) . . 1983 USAMO (→Problem 2)
- 18:19, 13 November 2011 (diff | hist) . . (+2) . . 1983 USAMO Problem 1 (→1983 USAMO problem 1) (current)
- 18:19, 13 November 2011 (diff | hist) . . (+225) . . N 1983 USAMO Problem 1 (Created page with "==1983 USAMO problem 1== If six points are chosen sequentially at random on the circumference of a circle, what is the probability that the triangle formed by the first three is...")
- 18:19, 13 November 2011 (diff | hist) . . (-217) . . 1983 USAMO (→Problem 1)
- 18:18, 13 November 2011 (diff | hist) . . (+177) . . 1983 USAMO (→1983 USAMO Problems)
- 18:17, 13 November 2011 (diff | hist) . . (0) . . 1983 USAMO (→Problem 2)
- 18:16, 13 November 2011 (diff | hist) . . (-2) . . 1983 USAMO Problems/Problem 2
- 18:16, 13 November 2011 (diff | hist) . . (-1) . . 1983 USAMO Problems/Problem 2
- 18:16, 13 November 2011 (diff | hist) . . (-1) . . 1983 USAMO Problems/Problem 2
- 18:15, 13 November 2011 (diff | hist) . . (-71) . . 1983 USAMO Problems/Problem 2
- 18:14, 13 November 2011 (diff | hist) . . (-2) . . 1983 USAMO Problems/Problem 2
- 18:13, 13 November 2011 (diff | hist) . . (-13) . . 1983 USAMO Problems/Problem 2
- 18:13, 13 November 2011 (diff | hist) . . (+125) . . 1983 USAMO Problems/Problem 2
- 18:12, 13 November 2011 (diff | hist) . . (+103) . . 1983 USAMO Problems/Problem 2
- 18:11, 13 November 2011 (diff | hist) . . (0) . . 1983 USAMO (→Problem 2)
- 18:10, 13 November 2011 (diff | hist) . . (+14) . . 1983 USAMO (→Problem 2)
- 18:09, 13 November 2011 (diff | hist) . . (-14) . . 1983 USAMO (→Problem 2)
- 18:08, 13 November 2011 (diff | hist) . . (-14) . . 1983 USAMO (→Problem 1)
- 18:07, 13 November 2011 (diff | hist) . . (+1,486) . . N 1983 USAMO Problems/Problem 2 (Created page with "Lemma: <cmath>2(x_1^2+x_2^2+\cdots+x_5^2)\ge</cmath> <cmath>x_1x_2+x_1x_3+\cdots+x_4x_5</cmath> We solve this cylicallly by showing <cmath>\frac{1}{2}x^2+\frac{1}{2}y^2\ge x...")
- 18:07, 13 November 2011 (diff | hist) . . (+14) . . 1983 USAMO (→Problem 2)
- 18:06, 13 November 2011 (diff | hist) . . (+14) . . 1983 USAMO (→Problem 1)
- 18:05, 13 November 2011 (diff | hist) . . (-15) . . 1983 USAMO (→Problem 1)
- 18:05, 13 November 2011 (diff | hist) . . (+15) . . 1983 USAMO (→Problem 1)
- 18:04, 13 November 2011 (diff | hist) . . (+1) . . 1983 USAMO (→Problem 1)
- 18:04, 13 November 2011 (diff | hist) . . (+25) . . 1983 USAMO (→Problem 1)
- 18:02, 13 November 2011 (diff | hist) . . (+126) . . 1983 USAMO (→Problem 1)
- 17:59, 13 November 2011 (diff | hist) . . (+214) . . N 1983 USAMO (Created page with "==Problem 1== If six points are chosen sequentially at random on the circumference of a circle, what is the probability that the triangle formed by the first three is disjoint f...")
