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Chapter 12: Q. 72 (page 1175)

In the following exercises, write each sum using summation notation.

9+11+13+15+17+19+21

Short Answer

Expert verified

The sum can be written as危n=5112n-1

Step by step solution

01

Step 1. Given Information

9+11+13+15+17+19+21

02

Step 2. Write the sum 

We look for a pattern in the terms

9+11+13+15+17+19+21

The sum written in summation notation is

危n=5112n-1

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