Prove that sequence {(2n+1)/n} is Cauchy.
I understand the definition of a Cauchy sequence; however, I'm not sure how to find the necessary value of N to satisfy the prove.
I know that you can simply proof that the sequence is Cauchy by stating that it converges to 2. But, for this specific problem we are asked to use strictly the definition of a Cauchy sequence in writing the proof.
Thanks for the help in advance.