?(a) Show that the series \(\sum_{n-1}^{\infty}(\ln n)^{2} / n^{2}\)is convergent.(b)

Chapter 9, Problem 44

(choose chapter or problem)

(a) Show that the series \(\sum_{n-1}^{\infty}(\ln n)^{2} / n^{2}\)is convergent.


(b) Find an upper bound for the error in the approximation \(s \approx s_{n}\)
.


(c) What is the smallest value of
n such that this upper bound is less than 0.5?.


(d) Find
 \(s_{n}\) for this value of n.

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