19 September 2011

• 15:0715:07, 19 September 2011 diff hist +305 N AoPS Wiki:Problem of the Day/September 19, 2011 Created page with "Let <math>f(f(x))=x</math>, and let the point <math>(x,y)</math> and <math>(y,z)</math> are on the graph of <math>f(x)</math>. Which of the following must be true? <math>\textb..."

18 September 2011

• 17:0417:04, 18 September 2011 diff hist +23 m User talk:Negativebplusorminus No edit summary current
• 17:0217:02, 18 September 2011 diff hist +4 m User talk:Negativebplusorminus No edit summary
• 15:0115:01, 18 September 2011 diff hist −1 m Limit →See also
• 13:1013:10, 18 September 2011 diff hist +34 m User:Negativebplusorminus No edit summary
• 13:0813:08, 18 September 2011 diff hist −51 m Problem solving No edit summary
• 07:5407:54, 18 September 2011 diff hist +3,911 Problem solving No edit summary
• 07:0207:02, 18 September 2011 diff hist +40 AoPS Wiki:Problem of the Day/September 18, 2011 No edit summary current
• 07:0107:01, 18 September 2011 diff hist +33 m AoPS Wiki talk:Problem of the Day/September 18, 2011 No edit summary
• 07:0107:01, 18 September 2011 diff hist +215 N AoPS Wiki talk:Problem of the Day/September 18, 2011 Created page with "=Solution= We see that for positive <math>x</math>, <cmath>f(x)=\sqrt{(x^3+3x+0)(x^2+3x+2)+1}=\sqrt{((x^2+3x+1)-1)((x^2+3x+1)-1)+1}=\sqrt{(x^2+3x+1)^2}=\boxed{x^2+3x+1}</cmath> a..."
• 06:5806:58, 18 September 2011 diff hist +196 N AoPS Wiki:Problem of the Day/September 18, 2011 Created page with "If <math>f(x)=\sqrt{x(x+1)(x+2)(x+3)+1}</math>. If <math>f(x)</math> can be expressed <math>f(x)=ax^2+bx+c</math>, find <math>a+b+c</math>. <noinclude>[[Category: Problem of th..."

17 September 2011

• 13:2813:28, 17 September 2011 diff hist +24 m User:Negativebplusorminus No edit summary
• 13:2613:26, 17 September 2011 diff hist +28 User:Negativebplusorminus No edit summary
• 13:2413:24, 17 September 2011 diff hist +1 User:Negativebplusorminus No edit summary
• 13:2313:23, 17 September 2011 diff hist +2,157 User:Negativebplusorminus No edit summary
• 13:0813:08, 17 September 2011 diff hist +202 User:Negativebplusorminus No edit summary
• 13:0713:07, 17 September 2011 diff hist +217 User:Negativebplusorminus No edit summary
• 13:0413:04, 17 September 2011 diff hist +27 User:Negativebplusorminus Adding table of contents.
• 08:4108:41, 17 September 2011 diff hist +128 Weight Completely wrong previously, I changed it. The old definition was that of mass. current
• 06:5506:55, 17 September 2011 diff hist +211 N AoPS Wiki talk:Problem of the Day/September 17, 2011 Created page with "We know that <cmath>(999+1)^3=999^3+3(999)^2+3(999)+1</cmath> by the Binomial Theorem. Since our given expression is one less than that, we compute <cmath>(999+1)^3-1=1,000,000,..." current
• 06:5306:53, 17 September 2011 diff hist +55 m AoPS Wiki:Problem of the Day/September 17, 2011 Adding category current
• 06:5206:52, 17 September 2011 diff hist +86 N AoPS Wiki:Problem of the Day/September 17, 2011 Created page with "Evaluate <math>999^3+3\times 999^2+3\times 999</math> without the use of a calculator."

16 September 2011

• 16:2816:28, 16 September 2011 diff hist +2 m AoPS Wiki:Problem of the Day/September 16, 2011 Bad LaTeX. current
• 16:2816:28, 16 September 2011 diff hist +19 m AoPS Wiki:Problem of the Day/September 14, 2011 Needs solution. current
• 16:2716:27, 16 September 2011 diff hist +1 m AoPS Wiki:Problem of the Day/September 15, 2011 No edit summary current
• 16:2716:27, 16 September 2011 diff hist +18 m AoPS Wiki:Problem of the Day/September 15, 2011 Needs solution.
• 16:2616:26, 16 September 2011 diff hist 0 m AoPS Wiki:Problem of the Day/September 15, 2011 No edit summary
• 16:2616:26, 16 September 2011 diff hist +163 N AoPS Wiki:Problem of the Day/September 15, 2011 Created page with "If <math>x+y=z</math>, then find <math>x^5+y^5+5xy(x^3+y^3)+10x^2y^2(x+y)</math> in terms of <math>z</math>. <noinclude?Category: Problem of the Day<noinclude>"
• 16:2416:24, 16 September 2011 diff hist +55 m AoPS Wiki:Problem of the Day/September 16, 2011 No edit summary
• 16:2316:23, 16 September 2011 diff hist +294 N AoPS Wiki:Problem of the Day/September 16, 2011 Created page with "When the equation <cmath>13^3x+13^x=10</cmath> is solved for <math>x</math>, the result is <math>x=\log_{a}b</math>, where <math>a</math> and <math>b</math> are positive integers..."

14 September 2011

• 15:2715:27, 14 September 2011 diff hist +56 m AoPS Wiki:Problem of the Day/September 14, 2011 No edit summary
• 15:2715:27, 14 September 2011 diff hist +134 N AoPS Wiki:Problem of the Day/September 14, 2011 Created page with "Given kite <math>ABCD</math>, with <math>AB=AC</math>. If <math>13AC=14AB</math>, and <math>BC=15</math>, then find the area of ABCD."

13 September 2011

• 17:0417:04, 13 September 2011 diff hist +336 N AoPS Wiki talk:Problem of the Day/September 13, 2011 Created page with "Since <math>7,999,999,999=8,000,000,000-1=2000^3-1^3</math>, we can use the difference of cubes factorization: <cmath>2000^3-1^3=(2000-1)(2000^2+2000(1)+1^2)=(1999)(4,002,001)</c..." current
• 17:0417:04, 13 September 2011 diff hist −18 m AoPS Wiki:Problem of the Day/September 13, 2011 No edit summary current

12 September 2011

• 19:5319:53, 12 September 2011 diff hist +74 m AoPS Wiki:Problem of the Day/September 13, 2011 No edit summary
• 19:4919:49, 12 September 2011 diff hist +99 N AoPS Wiki:Problem of the Day/September 13, 2011 Created page with "Given that <math>7,999,999,999</math> has at most two prime factors, find its largest prime factor."
• 15:3715:37, 12 September 2011 diff hist +341 N AoPS Wiki talk:Problem of the Day/September 12, 2011 Created page with "Dropping an altitude, we see that it has length <math>3\sqrt{2}</math> by the 45-45-90 triangle. Thus, the midsegment must have length <math>5\sqrt{2}</math>. Dropping altitude..." current
• 15:3615:36, 12 September 2011 diff hist +220 N AoPS Wiki:Problem of the Day/September 12, 2011 Created page with "In trapezoid ABCD, AD ||BC. <math>\angle A = \angle D = 45\dgg</math>, while <math>\angle B = \angle C =135\dgg</math>. If AB=6 and the area of ABCD is 30, find BC. <noinclude>[..." current

11 September 2011

• 12:0712:07, 11 September 2011 diff hist +4 m AoPS Wiki:Problem of the Day/September 11, 2011 No edit summary current
• 12:0512:05, 11 September 2011 diff hist +161 m AoPS Wiki talk:Problem of the Day/September 11, 2011 No edit summary current
• 12:0312:03, 11 September 2011 diff hist +730 N AoPS Wiki talk:Problem of the Day/September 11, 2011 Created page with "We put the number in Polar form: <math>r(cis{\theta})</math>. Then <math>(a+bi)^{2002}=r^{2002}(cis(2002\theta))=r(cis(-\theta))</math>. Since <math>r^{2002}=r</math>, eith..."
• 12:0212:02, 11 September 2011 diff hist +345 N AoPS Wiki:Problem of the Day/September 11, 2011 Created page with "Find the number of ordered pairs of real numbers <math>(a,b)</math> such that <math>(a + bi)^{2002} = a - bi</math>. <math>\textbf{(A)}</math> 1001 <math>\textbf{(B)}</math> 100..."

10 September 2011

• 07:5007:50, 10 September 2011 diff hist 0 m AoPS Wiki:Problem of the Day/September 10, 2011 No edit summary current
• 07:4807:48, 10 September 2011 diff hist −238 AoPS Wiki:Problem of the Day/September 10, 2011 Undo revision 42276 by Negativebplusorminus (talk)
• 07:4107:41, 10 September 2011 diff hist +4 m Asymptote: Useful commands and their Output No edit summary
• 07:4007:40, 10 September 2011 diff hist +41 m Asymptote: Useful commands and their Output No edit summary
• 07:4007:40, 10 September 2011 diff hist −9 m Asymptote: Useful commands and their Output No edit summary
• 07:3507:35, 10 September 2011 diff hist +342 m Asymptote: Useful commands and their Output No edit summary
• 07:2807:28, 10 September 2011 diff hist +238 AoPS Wiki:Problem of the Day/September 10, 2011 No edit summary
• 07:2407:24, 10 September 2011 diff hist +13 m AoPS Wiki talk:Problem of the Day/September 10, 2011 No edit summary current