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Problem #11: Which of the following series are conditionally convergent? (i)

`\sum_(n=1)^(\infty ) (-1)^(n)(arctann)/(n)`

(ii)

`\sum_(n=1)^(\infty ) (-1)^(n-1)(n)/(\sqrt(n^(4)+1))`

(iii)

`\sum_(n=2)^(\infty ) ((-1)^(n+1))/(lnn)`

(A) (ii) only (B) (ii) and (iii) only (C) (iii) only (D) none of them (E) (i) only (F) (i) and (ii) only (G) all of them (H) (i) and (iii) only Problem #11: Submit Problem #11 for Grading