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Chapter 12: Q. 259 (page 1218)

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

4+2+43+1+45

Short Answer

Expert verified

The summation notation is鈭�n=154n.

Step by step solution

01

Step 1. Given information.

The given expression is,

4+2+43+1+45.

02

Step 2. Finding summation notation.

Here, the numerators are all 4's and the denominators are numbers from 1to 5then we get,

4+2+43+1+45n:1,2,3,4,5Terms:4,2,43,1,45Pattern:41,42,43,44,45......4n

Then the sum can be written in the form of summation notation that is

4+2+43+1+45=鈭�n=154n.

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