Chapter 13.1, Problem 20E

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11th Edition

Ronald J. Harshbarger + 1 other

ISBN: 9781305108042

Textbook Problem

In Problems 20-25, use the sum formulas I-V to express each of the following without the summation symbol. In Problems 20-23, find the numerical value.

To determine

**To calculate:** The expression of

Explanation

**Given Information:**

The provided sum is

**Formula used:**

The sum of *n* numbers

The value of the sum *n*.

**Calculation:**

Consider the sum

The sum of *n* numbers

So, the

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