Posted by **Jacob** on Monday, May 11, 2009 at 9:52pm.

Find a number X such that the error is less than X (The error is 14593/2340 for the sequence, 7n/(n^3+1).

How would you start to solve this problem?

- Calculus -
**drwls**, Tuesday, May 12, 2009 at 1:44am
The error in what? Where did you get the number 14593/2340? I don't understand the question. Please make sure you stated it correctly.

Are you trying to approximate the sum of an infinite series?

- Calculus -
**Jacob**, Tuesday, May 12, 2009 at 1:19pm
Our teacher told us that the fourth partial sum approximates the sum of the sequence 7n/(n^3+1). The fourth partial sum is also the error of the sequence and our teacher asks us to find a number X such that the error is less than X.

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