Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series. ∑ n = 1 ∞ (−1) n + 1 t n n, − 1 < t ≤ 1 |Error| < |t 4 4| |Error| < 0.20 |Error| < |t 5| |Error| < |t 5 5| |Error| < |t 3 3| |Error| < |t 4| |Error| < |t 3|
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