Problem #6: Use the comparison test to determine which of the following series converge. 2n+1 (i) E 6 2 + 2 n=1 In* + 2 (ii) 3 -3 iM s AM arctan n (iii) 4 (A) (iii) only (B) all of them (C) (i) and (iii) only (D) (ii) only (E) (i) and (ii) only (F) none of them (G) (i) only (H) (ii) and (iii) onlyPI'ObI to WI #7: Determine which of the following series converge. m n4+n (in E] m 00 5 (iii) 2 14'}: +331 n=1 n2+n (A) (iii) only (B) none of them (C) (i) and (iii) only (D) (i) only (E) (ii) only (F) (l) and (ii) only (G) all of them (H) (ii) and (iii) only Problem #8: Which of the following series converge? (i) 2 7,, \":1 (ii) 2 cosum) n=1 03 9.\" (iii) 2 3m n=l (A) (iii) only (B) none of them. (C) (i) only (D) (i) and (iii) only (E) (ii) only (F) (ii) and (iii) only (G) all of them (H) (i) and (ii) only Problem #9: Which of the following series converge? 00 (i) E (-1)-1-6 n=1 (ii) (-1 ) 12 n n + 5 (iii) (-1)7+1 In(n + 3) (A) (i) only (B) (iii) only (C) (i) and (ii) only (D) all of them (E) (i) and (iii) only (F) (ii) only (G) (ii) and (iii) only (H) none of them