Use mathematical induction to prove the following statements. (a) 4 is a factor of 9n − 5n for all integers n ≥ 1.
Use mathematical induction to prove the following statements. (a) 4 is a factor of 9n − 5n for all integers n ≥ 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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Use mathematical induction to prove the following statements.
(a) 4 is a factor of 9n − 5n for all integers n ≥ 1.
(b) (1 1)n (1 n)
(0 1) = (0 1)
for all integers n ≥ 1.
(c) If (tn) is a sequence defined recursively by t1 = 1; tn = 3t n-1+ 4,
n ≥2,then tn = 3n-2 for all integers n ≥ 1.
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