   Chapter 13.CR, Problem 38E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# 3 7 - 4 0 Partial Sums Find the sum ∑ i = 1 4 2 i 2 i − 1

To determine

The partial sum of i=142i2i1

Explanation

Approach:

The sum of first n terms of any sequence can be written as summation or sigma notation represented as .

The sigma notation used is as follows,

k=1nak=a1+a2++an

The left hand side is read as sum of ak from k=1 to k=n.

The letter k is the index of summation and replaced by integers 0, 1, 2, 3,, …, n.

Calculation:

Consider,

i=142i2i1

The sum of 2i2i1 from i=1 to i=4 is,

### Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

#### The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started 