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Chapter 12: Q. 254 (page 1217)

In the following exercises, expand the partial sum and find its value.

鈭�i=135i

Short Answer

Expert verified

The partial sum is155.

Step by step solution

01

Step 1. Given information.

The given expression is,

鈭�i=135i.

02

Step 2. Finding the partial sum.

Now, to expand the partial sum we will substitute 1,2,and 3respectively and then simplify.

鈭�i=135i=51+52+53=5+25+125=155

Therefore, the partial sum is 155.

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