User contributions
- 07:47, 21 June 2014 (diff | hist) . . (+26) . . KGS math club/solution 06 21 (current)
- 07:46, 21 June 2014 (diff | hist) . . (+214) . . N KGS math club/solution 06 21 (Created page with "The particle makes it to x = 0 and y = 0 with equal probability. Of those that make it to x = 0 half will reach y = 0 with x<0 and half with x>0. Therefore the probability of h...")
- 07:43, 21 June 2014 (diff | hist) . . (+54) . . KGS math club
