do these converge or diverge

10 pts Question 5 Given: an = 3n2-n +4 -. Determine the convergence or divergence of the sequence with the given nth 272 + 1 term. If the sequence converges, find its limit. converges to O converges to diverges none of the above Question 6 10 pts Evaluate lim 2n +1 - 2n - 1 as n - oo and indicate whether it converges or diverges. O , converges diverges converges to Onone of the above