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
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
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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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