Hi, I cannot do this question, can anyone please help me?
Let (an) be the sequence given by a0=0 and an=(n+1)/n for all n greater or equal to 1. Prove directly from the definition that (an) is Cauchy.
Cauchy definition should be the one that talks about absolute value of difference between two terms is less then epsilon, right? I tried for a long time, but still don't know how to do it. Can anyone please help me?