Use the Root Test to determine whether the series is convergent or divergent. Σ 00 n = 4 Identify a, Evaluate the following limit. lim Vla, Since lim Vlal 1, the series is divergent

number 9 please, which letter choice

....t) Determine whether the following series converges or diverges. сos(nn) n²/9 n=1 Input C for convergence and D for divergence: Note: You have only one chance to enter your answer!