When approximating by the sum of the first three non-zero terms of its Maclaurin series

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

Problem

When approximating ln⁡(1+0.4)\ln(1+0.4) by the sum of the first three non-zero terms of its Maclaurin series, verify in one sentence that the alternating-series error bound is permissible for estimating the truncation error.

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