Let S(n) = 1 + 2 + + n be the sum of the first n natural numbers and let C(n) = 1³+2³+. + n³ be the sum of the first n cubes. Prove the following equalities by induction on n, to arrive at the curious conclusion that C(n) = S² (n) for every n. ... a. S(n) = n(n+1). b. C(n)=(n + 2n³ + n²) = n²(n + 1)².

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 72E
icon
Related questions
Question

Can you please help me with this problem because I am really struggling with this and the parts with it. Can you please label the parts and can you do it step by step so I can follow along and see how you did it

3
0.11 Let S (n) = 1 + 2 + + n be the sum of the first n natural numbers and let
C(n) = 1³ +23³ +...+n³ be the sum of the first n cubes. Prove the following
equalities by induction on n, to arrive at the curious conclusion that C(n) = S² (n)
3
for
every n.
a. S(n) =
b. C(n) =
n(n + 1).
(n + 2n³ + n²) = n² (n + 1)².
Transcribed Image Text:3 0.11 Let S (n) = 1 + 2 + + n be the sum of the first n natural numbers and let C(n) = 1³ +23³ +...+n³ be the sum of the first n cubes. Prove the following equalities by induction on n, to arrive at the curious conclusion that C(n) = S² (n) 3 for every n. a. S(n) = b. C(n) = n(n + 1). (n + 2n³ + n²) = n² (n + 1)².
Expert Solution
steps

Step by step

Solved in 4 steps with 6 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning