# Use the technique given in Exercise 35. together with the ## Problem 38E Chapter 2.4

Discrete Mathematics and Its Applications | 7th Edition

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Problem 38E

Use the technique given in Exercise 35. together with the result of Exercise 37b, to derive the formula for given in Table 2. [Hint: Take ak = k3 in the telescoping sum in Exercise 35.]

Step-by-Step Solution:

Solution:Step 1</p>

In this problem we need to derive the formula for .

Step 2</p>

Using the technique of telescoping which says that the sum of the sequence where are the terms of the sequence.

To derive the formula for , we consider in the technique of telescoping and find the sum .

Using telescoping to find the sum of , we get We know that . Using expansion of in the above sum, we get    Step 3 of 3

##### ISBN: 9780073383095

This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7th. Since the solution to 38E from 2.4 chapter was answered, more than 329 students have viewed the full step-by-step answer. The answer to “Use the technique given in Exercise 35. together with the result of Exercise 37b, to derive the formula for given in Table 2. [Hint: Take ak = k3 in the telescoping sum in Exercise 35.]” is broken down into a number of easy to follow steps, and 35 words. This full solution covers the following key subjects: exercise, given, sum, derive, INT. This expansive textbook survival guide covers 101 chapters, and 4221 solutions. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. The full step-by-step solution to problem: 38E from chapter: 2.4 was answered by , our top Math solution expert on 06/21/17, 07:45AM.

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