The inductive step of an inductive proof shows that for k≥1, if Σ½-1 j(j + 1) = \/ k(k+ 1)(k + 2), then k+1 Σ1 j(j + 1) = (k+ 1)(k+ 2)(k+ 3) Parts of the proof are shown below. Select the expression that should replace the [?]. k+1 j(j+1) j=1 k+1 j(j+1) j=1 k+1 -j=1 j(j + 1) k+1 = [?] (Step 1) = · ¼k(k + 1)(k + 2) + (k+1) (k+2) By the inductive hypothesis (Algebraic Steps) j(j+1) = (k+ 1) (k + 2)(k + 3) k+1 ο Σ#1 3(j + 1) + k(k + 1) j=1 ο Σ1 3(j + 1) + (k + 1)(k + 2) ○ Σ -1 j(j + 1) + k(k+1) ΟΣ+1 jj + 1) + (k + 1)(k + 2) j=1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
The inductive step of an inductive proof shows that for k≥1, if
Σ½-₁ j(j + 1) = \/ k(k+ 1)(k + 2), then
k+1
Σ1 j(j + 1) = (k+ 1)(k+ 2)(k+ 3)
Parts of the proof are shown below. Select the expression that should replace the [?].
k+1 j(j+1)
{j(j + 1)
k+1
j=1
k+1
-j=1 j(j+1)
k+1
j(j+1)
=
(Step 1)
· ¼k(k + 1)(k + 2) + (k+1) (k+2) By the inductive hypothesis
(Algebraic Steps)
[?]
=...
=
= (k+ 1) (k+ 2) (k+ 3)
○
k+1
j=1
j(j + 1) + k(k+1)
ο Σ1 3(j + 1) + (k + 1)(k + 2)
○ Σ -1 j(j + 1) + k(k+1)
=1
ΟΣ+1 jj + 1) + (k + 1)(k + 2)
Transcribed Image Text:The inductive step of an inductive proof shows that for k≥1, if Σ½-₁ j(j + 1) = \/ k(k+ 1)(k + 2), then k+1 Σ1 j(j + 1) = (k+ 1)(k+ 2)(k+ 3) Parts of the proof are shown below. Select the expression that should replace the [?]. k+1 j(j+1) {j(j + 1) k+1 j=1 k+1 -j=1 j(j+1) k+1 j(j+1) = (Step 1) · ¼k(k + 1)(k + 2) + (k+1) (k+2) By the inductive hypothesis (Algebraic Steps) [?] =... = = (k+ 1) (k+ 2) (k+ 3) ○ k+1 j=1 j(j + 1) + k(k+1) ο Σ1 3(j + 1) + (k + 1)(k + 2) ○ Σ -1 j(j + 1) + k(k+1) =1 ΟΣ+1 jj + 1) + (k + 1)(k + 2)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,