5. Let Cn be a positive series. Which of the following is/are correct? n=1 I. If lim n° 5/2 Cn=3 then Cn is convergent. n00 n=1 II. If Cn = 6 then (-1)" convergent. 1 n=1 Cn n=1 III. If lim e" cn = 0...

Question 5

Extracted text: 5. Let Cn be a positive series. Which of the following is/are correct? n=1 I. If lim n° 5/2 Cn=3 then Cn is convergent. n00 n=1 II. If Cn = 6 then (-1)" convergent. 1 n=1 Cn n=1 III. If lim e" cn = 0 then Cn is convergent. n=1 8. Cn IV. If lim = 4 then Cn diverges. n00 n n=1 A) I only В) I only C)I, II and IV D)I, III and IV E) I and IV