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What is meant by the remainder Rn of a series ∑k=1∞ak

Short Answer

Expert verified

The remainder of the series ∑k=1∞ak is Rn=∑k=n+1∞ak.

Step by step solution

01

Step 1. Given Information.

The series:

∑k=1∞ak

02

Step 2. The remainder of the convergent series.

If ∑k=1∞ak is a convergent series with sum L, then we may approximate L with the nth partial sum Sn=∑k=1nak. The nth remainder is defined by

Rn=L-Sn=∑k=n+1∞ak

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