Can I please get help with # 17 & 18.

17. Show that the function determined by the terms of the given series satisfies the hypotheses of the Integral Test, and then use the Integral Test to determine whether the series converges or diverges. M k2. e-k3 k=1 18. Use the Limit Comparison Test (or the Nth Term Test) to determine whether the given series converges or diverges. arctan ( k) 2 k k=1