I need the solution

Does the following series converge or diverge? Give reasons for your answer. Oo 3"nInl (2n) Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer.) A. The series converges by the Ratio Test since the limit resulting from the test is =f. ) B. The series converges by the Root Test since the limit resulting from the testis . D. The series diverges by the Root Test since the limit resulting from the test is a