Prove by mathematical induction that for all positive integer values of n: n a 2 (r3 – r) = }(n – 1) (n) (n + 1) (n + 2) - r=1

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Sequences And Series
Section: Chapter Questions
Problem 10T
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Prove by mathematical induction that for all positive integer values of n:
n
a 2(r3 – r) = }(n – 1) (n) (n + 1) (n + 2)
r=1
n
b E (3r$ + r³ ) = }n³ (n + 1)³
5
r=1
n
c Er² × 2" =
(n2 – 2n + 3) × 2"+1 – 6
r=1
Transcribed Image Text:Prove by mathematical induction that for all positive integer values of n: n a 2(r3 – r) = }(n – 1) (n) (n + 1) (n + 2) r=1 n b E (3r$ + r³ ) = }n³ (n + 1)³ 5 r=1 n c Er² × 2" = (n2 – 2n + 3) × 2"+1 – 6 r=1
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