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Write each of the sums in Exercises 21鈥28 in sigma notation. Identify m,n,akin each problem.

5+10+17+26+37+50+65+82+101

Short Answer

Expert verified

The sigma notation isk=210k2+1

Step by step solution

01

Step 1. Given Information  

The given sum is5+10+17+26+37+50+65+82+101

02

Step 2. Explanation   

The sum in sigma notation is written as,

5+10+17+26+37+50+65+82+101=22+1+32+1+42+1+52+1+62+1+72+1+82+1+92+1+102+1=k=210k2+1where,m=2,n=10,ak=k2+1

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