User contributions
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- 15:16, 19 September 2011 (diff | hist) . . (+31) . . AoPS Wiki talk:Problem of the Day/September 19, 2011 (current)
- 15:16, 19 September 2011 (diff | hist) . . (+14) . . AoPS Wiki:Problem of the Day/September 19, 2011
- 15:15, 19 September 2011 (diff | hist) . . (+13) . . AoPS Wiki:Problem of the Day/September 19, 2011 (Making it harder.)
- 15:14, 19 September 2011 (diff | hist) . . (+254) . . N AoPS Wiki talk:Problem of the Day/September 19, 2011 (Created page with "We know that <math>f(f(x))=x</math> for this particular function. Since <math>(x,y)</math> is on the graph, <math>y=f(x)</math>; since <math>(y,z)</math> is on the graph, <math>...")
- 15:07, 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...")
- 17:04, 18 September 2011 (diff | hist) . . (+23) . . m User talk:Negativebplusorminus (current)
- 17:02, 18 September 2011 (diff | hist) . . (+4) . . m User talk:Negativebplusorminus
- 15:01, 18 September 2011 (diff | hist) . . (-1) . . m Limit (→See also)
- 13:10, 18 September 2011 (diff | hist) . . (+34) . . m User:Negativebplusorminus
- 13:08, 18 September 2011 (diff | hist) . . (-51) . . m Problem solving
- 07:54, 18 September 2011 (diff | hist) . . (+3,911) . . Problem solving
- 07:02, 18 September 2011 (diff | hist) . . (+40) . . AoPS Wiki:Problem of the Day/September 18, 2011 (current)
- 07:01, 18 September 2011 (diff | hist) . . (+33) . . m AoPS Wiki talk:Problem of the Day/September 18, 2011
- 07:01, 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...")
- 06:58, 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...")
- 13:28, 17 September 2011 (diff | hist) . . (+24) . . m User:Negativebplusorminus
- 13:26, 17 September 2011 (diff | hist) . . (+28) . . User:Negativebplusorminus
- 13:24, 17 September 2011 (diff | hist) . . (+1) . . User:Negativebplusorminus
- 13:23, 17 September 2011 (diff | hist) . . (+2,157) . . User:Negativebplusorminus
- 13:08, 17 September 2011 (diff | hist) . . (+202) . . User:Negativebplusorminus
- 13:07, 17 September 2011 (diff | hist) . . (+217) . . User:Negativebplusorminus
- 13:04, 17 September 2011 (diff | hist) . . (+27) . . User:Negativebplusorminus (Adding table of contents.)
- 08:41, 17 September 2011 (diff | hist) . . (+128) . . Weight (Completely wrong previously, I changed it. The old definition was that of mass.) (current)
- 06:55, 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)
- 06:53, 17 September 2011 (diff | hist) . . (+55) . . m AoPS Wiki:Problem of the Day/September 17, 2011 (Adding category) (current)
- 06:52, 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.")
- 16:28, 16 September 2011 (diff | hist) . . (+2) . . m AoPS Wiki:Problem of the Day/September 16, 2011 (Bad LaTeX.) (current)
- 16:28, 16 September 2011 (diff | hist) . . (+19) . . m AoPS Wiki:Problem of the Day/September 14, 2011 (Needs solution.) (current)
- 16:27, 16 September 2011 (diff | hist) . . (+1) . . m AoPS Wiki:Problem of the Day/September 15, 2011 (current)
- 16:27, 16 September 2011 (diff | hist) . . (+18) . . m AoPS Wiki:Problem of the Day/September 15, 2011 (Needs solution.)
- 16:26, 16 September 2011 (diff | hist) . . (0) . . m AoPS Wiki:Problem of the Day/September 15, 2011
- 16:26, 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>")
- 16:24, 16 September 2011 (diff | hist) . . (+55) . . m AoPS Wiki:Problem of the Day/September 16, 2011
- 16:23, 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...")
- 15:27, 14 September 2011 (diff | hist) . . (+56) . . m AoPS Wiki:Problem of the Day/September 14, 2011
- 15:27, 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.")
- 17:04, 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)
- 17:04, 13 September 2011 (diff | hist) . . (-18) . . m AoPS Wiki:Problem of the Day/September 13, 2011 (current)
- 19:53, 12 September 2011 (diff | hist) . . (+74) . . m AoPS Wiki:Problem of the Day/September 13, 2011
- 19:49, 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.")
- 15:37, 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)
- 15:36, 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)
- 12:07, 11 September 2011 (diff | hist) . . (+4) . . m AoPS Wiki:Problem of the Day/September 11, 2011 (current)
- 12:05, 11 September 2011 (diff | hist) . . (+161) . . m AoPS Wiki talk:Problem of the Day/September 11, 2011 (current)
- 12:03, 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...")
- 12:02, 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...")
- 07:50, 10 September 2011 (diff | hist) . . (0) . . m AoPS Wiki:Problem of the Day/September 10, 2011 (current)
- 07:48, 10 September 2011 (diff | hist) . . (-238) . . AoPS Wiki:Problem of the Day/September 10, 2011 (Undo revision 42276 by Negativebplusorminus (talk))
- 07:41, 10 September 2011 (diff | hist) . . (+4) . . m Asymptote: Useful commands and their Output
- 07:40, 10 September 2011 (diff | hist) . . (+41) . . m Asymptote: Useful commands and their Output
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