# User contributions

- 12:43, 24 January 2018 (diff | hist) . . (+441) . . 1975 Canadian MO Problems/Problem 1 (Added solution) (current)
- 11:15, 24 January 2018 (diff | hist) . . (-2) . . m 1975 Canadian MO Problems/Problem 4 (typo) (current)
- 20:06, 23 January 2018 (diff | hist) . . (-1) . . m 1975 Canadian MO Problems/Problem 4 (→Solution)
- 20:03, 23 January 2018
(diff | hist) . .
**(+1,076)** . . 1975 Canadian MO Problems/Problem 4 (Added solution) - 20:26, 21 January 2018 (diff | hist) . . (0) . . m Schreier's Theorem (LaTeX)
- 13:32, 12 January 2018
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**(+2,628)** . . Root (operation) (Added: how to compute all the roots; how to approximate roots (two methods)) - 11:42, 12 January 2018
(diff | hist) . .
**(+1,405)** . . Newton's Sums (Added proof) - 18:23, 11 January 2018
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**(+1,472)** . . MIE 2015 (Added problems) (current) - 17:28, 11 January 2018 (diff | hist) . . (+39) . . m MIE 2015 (Added solution)
- 17:28, 11 January 2018
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**(+837)** . . N MIE 2015/Day 2/Problem 2 (Added solution) (current) - 16:18, 11 January 2018 (diff | hist) . . (+39) . . m MIE 2015 (Added solution)
- 16:18, 11 January 2018
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**(+866)** . . N MIE 2015/Day 1/Problem 7 (Created page with "==Problem 7== Compute <math>\binom{2016}{5}+\binom{2017}{5}+\binom{2018}{5}+\binom{2019}{5}+\binom{2020}{5}+\binom{2016}{6}</math> (a) <math>\binom{2020}{6}</math> (b) <...") (current) - 14:32, 11 January 2018
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**(+2,466)** . . MIE 2015 (Added more problems) - 14:25, 11 January 2018
(diff | hist) . .
**(+650)** . . N MIE 2015/Day 1/Problem 2 (Created page with "==Problem 2== The polynomial <math>x^3+ax^2+bx+c</math> has real roots <math>\alpha</math>, <math>-\alpha</math> and <math>\frac{1}{\alpha}</math>. Thus the value of the sum o...") (current) - 13:34, 11 January 2018 (diff | hist) . . (0) . . File:MIE 2015 day 1 problem 8.png (Alevini98 uploaded a new version of File:MIE 2015 day 1 problem 8.png) (current)
- 13:30, 11 January 2018 (diff | hist) . . (0) . . N File:MIE 2015 day 1 problem 8.png
- 12:55, 11 January 2018 (diff | hist) . . (+14) . . m Military Institute of Engineering (→CFG) (current)
- 12:54, 11 January 2018 (diff | hist) . . (+64) . . m MIE 2015/Day 1/Problem 6 (current)
- 12:51, 11 January 2018
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**(+1,676)** . . N MIE 2015/Day 1/Problem 6 (Added solution) - 10:52, 11 January 2018 (diff | hist) . . (+38) . . m MIE 2015 (→Problem 6)
- 10:18, 11 January 2018
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**(+2,620)** . . N MIE 2015 (Added part of the problems) - 09:52, 11 January 2018 (diff | hist) . . (+14) . . Military Insitute of Engineering (→CFG) (current)
- 09:46, 11 January 2018
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**(+956)** . . MIE 2016 (Added more questions) (current) - 09:45, 11 January 2018 (diff | hist) . . (0) . . N File:MIE 2016 day 2 problem 10.png (current)
- 19:29, 8 January 2018 (diff | hist) . . (-2) . . m MIE 2016/Day 1/Problem 2 (current)
- 19:29, 8 January 2018 (diff | hist) . . (+429) . . MIE 2016/Day 1/Problem 2 (Added solution)
- 16:54, 8 January 2018 (diff | hist) . . (+39) . . m MIE 2016 (→Problem 2)
- 16:11, 8 January 2018
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**(+997)** . . MIE 2016/Day 1/Problem 5 (Added solution) (current) - 19:15, 7 January 2018
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**(+1,702)** . . MIE 2016 - 18:15, 7 January 2018 (diff | hist) . . (-13) . . m MIE 2016 (→Problem 1)
- 18:15, 7 January 2018 (diff | hist) . . (+418) . . m MIE 2016
- 18:06, 7 January 2018 (diff | hist) . . (+11) . . m Military Institute of Engineering
- 18:05, 7 January 2018 (diff | hist) . . (+160) . . N Military Institute of Engineering (Created page with "The MIE exams are divided in two, CFG and CG, with the first being for the ones that want to enter the MIE. ==CFG== *MIE 96/97 *MIE 97/98 *MIE 2016")
- 18:05, 7 January 2018 (diff | hist) . . (+2) . . m Brazil mathematics competitions (→Resources) (current)
- 18:03, 7 January 2018 (diff | hist) . . (+82) . . m MIE 2016
- 18:01, 7 January 2018
(diff | hist) . .
**(+4,528)** . . N MIE 2016 (Created page with "===Problem 1=== Choose the correct answer. (a) <math>\sqrt{2016}-\sqrt{2015}<\sqrt{2017}-\sqrt{2016}<(2\sqrt{2016})^{-1}</math> (b) <math>\sqrt{2017}-\sqrt{2016}<\sqrt{2016}...") - 17:52, 7 January 2018 (diff | hist) . . (0) . . N File:MIE 2016 problem 10.png (current)
- 17:13, 7 January 2018 (diff | hist) . . (+14) . . m Military Insitute of Engineering (→CFG)
- 15:33, 7 January 2018
(diff | hist) . .
**(+1,535)** . . N MIE 97/98 (Created page with "===Problem 1=== Find the solution of <math>\sin x+\sqrt3\cos x=1</math> with <math>x\in\mathbb{R}</math>. ===Problem 2=== Solve the following matrix in terms of <math>\alpha<...") - 15:13, 7 January 2018 (diff | hist) . . (+15) . . m Military Insitute of Engineering (→CFG)
- 15:07, 7 January 2018 (diff | hist) . . (-47) . . m 2013 AMC 10A Problems/Problem 6
- 14:52, 7 January 2018
(diff | hist) . .
**(+2,091)** . . N MIE 96/97 (Created page with "===Problem 1=== Solve the following system <math>\begin{cases}x^y=y^x\\y=ax\end{cases}~\mbox{where }a\neq1\mbox{ and }a>0</math> ===Problem 2=== Find the maximum term of the...") (current) - 14:44, 7 January 2018 (diff | hist) . . (0) . . N File:MIE 9697 problem 7.png (current)
- 14:03, 7 January 2018 (diff | hist) . . (+131) . . N Military Insitute of Engineering (Created page with "The MIE exams are divided in two, CFG and CG, with the first being for the ones that want to enter the MIE. ==CFG== *MIE 96/97")
- 13:52, 7 January 2018 (diff | hist) . . (-3) . . m List of mathematics competitions (Alphabetical order) (current)
- 13:45, 7 January 2018 (diff | hist) . . (+67) . . m Brazil mathematics competitions (→Resources)
- 13:42, 7 January 2018 (diff | hist) . . (+181) . . m Brazil mathematics competitions (→Resources)
- 13:39, 7 January 2018 (diff | hist) . . (+3) . . m List of mathematics competitions (→Brazil)
- 13:38, 7 January 2018 (diff | hist) . . (+170) . . m List of mathematics competitions (→Brazil)
- 13:05, 7 January 2018 (diff | hist) . . (+380) . . m List of mathematics competitions (→Brazil)
- 12:51, 7 January 2018 (diff | hist) . . (0) . . m Discriminant (→General formula of discriminant)
- 12:50, 7 January 2018
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**(+2,916)** . . Discriminant - 11:23, 7 January 2018 (diff | hist) . . (0) . . N File:Delta equal to 0.png (current)
- 11:19, 7 January 2018 (diff | hist) . . (0) . . N File:Delta lower than 0.png (current)
- 11:09, 7 January 2018 (diff | hist) . . (0) . . N File:Delta greater than 0.png (current)
- 16:48, 17 December 2017 (diff | hist) . . (0) . . N File:20171217 174016.jpg (current)
- 15:02, 13 August 2017 (diff | hist) . . (+42) . . m 2017 AMC 10B Problems/Problem 15 (→Solution)
- 15:01, 13 August 2017 (diff | hist) . . (+261) . . m 2017 AMC 10B Problems/Problem 15 (→Solution)
- 14:51, 13 August 2017 (diff | hist) . . (+222) . . m 2017 AMC 10B Problems/Problem 8
- 14:38, 13 August 2017 (diff | hist) . . (+55) . . m 2010 AMC 10A Problems/Problem 14 (→Solution)
- 13:31, 13 August 2017 (diff | hist) . . (+52) . . m 2010 AMC 10A Problems/Problem 19 (→Solution 1)
- 13:28, 13 August 2017 (diff | hist) . . (+218) . . m 2010 AMC 10A Problems/Problem 16 (→Solution)
- 13:19, 13 August 2017 (diff | hist) . . (+330) . . m 2010 AMC 10A Problems/Problem 14
- 21:56, 7 August 2017
(diff | hist) . .
**(+1,120)** . . 2000 AMC 12 Problems/Problem 19 (current) - 17:27, 7 August 2017 (diff | hist) . . (-75) . . 2000 AMC 12 Problems/Problem 19 (→Solution 3)
- 17:18, 7 August 2017 (diff | hist) . . (+19) . . 2000 AMC 12 Problems/Problem 19 (→Solution 3)
- 17:15, 7 August 2017
(diff | hist) . .
**(+1,192)** . . 2000 AMC 12 Problems/Problem 19 (→Solution 2) - 10:32, 6 August 2017 (diff | hist) . . (-1) . . m Incircle (→Formulas)
- 08:35, 6 August 2017 (diff | hist) . . (-1) . . Incircle (→See also)
- 08:35, 6 August 2017 (diff | hist) . . (+71) . . Incircle (→Formulas)
- 08:33, 6 August 2017 (diff | hist) . . (+145) . . Incircle (→Formulas)
- 08:31, 6 August 2017 (diff | hist) . . (+2) . . m Incircle (→Formulas)
- 19:14, 5 August 2017
(diff | hist) . .
**(+967)** . . N Kimberling center (Created page with "File:Kimberling_centers.gif C. Kimberling has extensively tabulated and enumerated the properties of triangle centers (Kimberling 1994, 1998, and online), denoting th...") (current) - 19:13, 5 August 2017 (diff | hist) . . (0) . . N File:Kimberling centers(table).png (current)
- 19:00, 5 August 2017 (diff | hist) . . (0) . . N File:Kimberling centers.gif (current)
- 18:57, 5 August 2017 (diff | hist) . . (+145) . . Nine point circle
- 18:54, 5 August 2017 (diff | hist) . . (+20) . . m Euler line (→See also)
- 18:52, 5 August 2017 (diff | hist) . . (-2) . . m Euler line (→See also)
- 18:51, 5 August 2017 (diff | hist) . . (-2) . . m Euler line (→See also)
- 18:50, 5 August 2017 (diff | hist) . . (+56) . . m Euler line
- 18:48, 5 August 2017 (diff | hist) . . (+120) . . m Evans point (current)
- 18:48, 5 August 2017 (diff | hist) . . (+3) . . Evans point
- 18:47, 5 August 2017 (diff | hist) . . (+11) . . N File:Evans point.gif (Evans point) (current)
- 18:44, 5 August 2017 (diff | hist) . . (-4) . . Evans point
- 18:43, 5 August 2017 (diff | hist) . . (+25) . . Evans point
- 18:40, 5 August 2017 (diff | hist) . . (+175) . . N Evans point (Created page with "The Evans point is the intersection point of the Gergonne line and the Euler line. It has triangle center function and is Kimberling center <math>X_{1375}</math>. {{stub}}")
- 18:37, 5 August 2017 (diff | hist) . . (+23) . . m Euler line (→See also)
- 18:35, 5 August 2017 (diff | hist) . . (+56) . . m Euler line (→See also)
- 18:33, 5 August 2017 (diff | hist) . . (+39) . . m Euler line (→Analytic Proof of Existence)
- 18:32, 5 August 2017 (diff | hist) . . (+16) . . m De Longchamps point (→See Also) (current)
- 19:09, 3 August 2017 (diff | hist) . . (+2) . . Brazil mathematics competitions (→Resources)
- 19:09, 3 August 2017 (diff | hist) . . (-1) . . Brazil mathematics competitions (→Resources)
- 19:09, 3 August 2017 (diff | hist) . . (+188) . . N Brazil mathematics competitions (Created page with "===Resources=== *[Brazilian MO Problems and Solutions]] -- A community effort to provide solutions to all BMO problems from which students can learn. Category:Mathematics c...")
- 12:55, 2 August 2017 (diff | hist) . . (-14) . . m Circumradius (→Proof)
- 12:55, 2 August 2017 (diff | hist) . . (+15) . . Circumradius (→Proof)
- 12:54, 2 August 2017 (diff | hist) . . (+162) . . m Circumradius (→Formula for Circumradius)
- 12:50, 2 August 2017 (diff | hist) . . (-53) . . m Circumradius (→Proof)
- 11:55, 2 August 2017 (diff | hist) . . (+2) . . Carnot's Theorem
- 11:54, 2 August 2017 (diff | hist) . . (-1) . . Carnot's Theorem
- 11:53, 2 August 2017
(diff | hist) . .
**(+1,362)** . . Carnot's Theorem (Corrected Carnot's Theorem) - 20:02, 1 August 2017 (diff | hist) . . (0) . . m Circumradius (→Right triangles)
- 20:02, 1 August 2017 (diff | hist) . . (+67) . . m Circumradius (→Equilateral triangles)
- 20:00, 1 August 2017 (diff | hist) . . (+32) . . m Circumradius (→Right triangles)
- 19:57, 1 August 2017 (diff | hist) . . (+4) . . m Circumradius (→Equilateral triangles)
- 19:56, 1 August 2017 (diff | hist) . . (+8) . . m Circumradius (→Equilateral triangles)
- 19:56, 1 August 2017 (diff | hist) . . (+180) . . m Circumradius (→Equilateral triangles)
- 19:50, 1 August 2017 (diff | hist) . . (+91) . . m Circumradius
- 19:48, 1 August 2017 (diff | hist) . . (+307) . . m Circumradius
- 19:42, 1 August 2017 (diff | hist) . . (+361) . . m Circumradius
- 13:12, 1 August 2017 (diff | hist) . . (+1) . . List of mathematics competitions (→Brazil)
- 13:11, 1 August 2017 (diff | hist) . . (+115) . . List of mathematics competitions (→Brazil)
- 12:15, 1 August 2017
(diff | hist) . .
**(+511)** . . m LaTeX:Symbols (→Bracketing Symbols) - 11:59, 1 August 2017 (diff | hist) . . (+454) . . m 1991 AIME Problems/Problem 7 (→Solution)