User contributions
- 19:43, 28 April 2011 (diff | hist) . . (+122) . . 2011 USAJMO Problems/Problem 1
- 19:39, 28 April 2011 (diff | hist) . . (+1,293) . . N 2011 USAJMO Problems/Problem 1 (Created page with 'Let <math>2^n + 12^n + 2011^n = x^2</math> <math>(-1)^n + 1 \equiv x^2 \pmod {3}</math>. Since all perfect squares are congruent to 0 or 1 modulo 3, this means that n must be odd…')
- 21:42, 4 June 2010 (diff | hist) . . (+22) . . 1985 AJHSME Problems/Problem 2 (→Solution 3)
