Recent content by oceanthang

  1. O

    Show that sequence is unbounded

    I finally get it, thank you~
  2. O

    Show that sequence is unbounded

    Can you explain more detail about the illustration? I don't really get it about this statement "only have to pick n greater than M^2 to have an > M", thanks.
  3. O

    Show that sequence is unbounded

    Homework Statement Show that the sequence an= sqrt(n) is unbounded Homework Equations there is no relevant equation require. The Attempt at a Solution Actually, I'm a newbie for real analysis, I try to prove it by using contradiction method, but I stuck at half way, can anyone...