Recently Favorited Questions

• a trivial one in integration
  let f be continuous for any x>1 and [] denoting the greatest integer function prove that \int_{1}^{x}(+1)f(u)du =2\sum_{i=1}^{[x]}{i\int_{i}^{x}{f(u)du}} ...
  0·8· #Mathematics#Olympiad Stuff
  favorited2012-06-04 07:08:35