Let be a real number

MATHEMATICS · Subjective · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

Let mm be a real number. Consider the series ∑n=1∞(−1)nn 2n 3+m.  \sum_{n=1}^{\infty}(-1)^n\frac{n^{\,2}}{n^{\,3}+m}.\; Determine all real values of mm for which the alternating series error bound can be used to estimate the sum of this series beginning with n=1n=1.

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