It might be helpful to note that is less than , that is equal to , and that is less than .Hi, I'm trying solve this question by the comparison test, 'cause is the only test that works. But I'm having difficulties, I can't find other series to compare. Someone could help me with it?
It isn't. My apologies; I must have been tired when I posted this.I don't understand why is equal to . Could you explain better?