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Chapter 12: Q. 12.17 (page 1170)

Expand the partial sum and find its value:鈭�i=153i

Short Answer

Expert verified

The value of the partial sum is 45.

Step by step solution

01

Step 1. Given information

Thepartialsumisgivenas鈭�i=153iWehavetofindthevalueofthepartialsum.

02

Step 2. Expand the partial sum

Now,Wesubstitutethevalues1,2,3,4,5inorder.鈬�鈭�i=153i=3鈰�1+3鈰�2+3鈰�3+3鈰�4+3鈰�5=3+6+9+12+15=45

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Most popular questions from this chapter

In the following exercise, determine if the sequence is geometric, and if so, indicate the common ratio.

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Write the sum using summation notation:12+14+18+116+132.

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