Show that if a+ bª and n is a power of b, then f(n) = C,nd +C,n®$» «, wherp C = b*c/(bt – a) and C, = F(1) + b'c/(a – b).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Assume that f is an increasing function satisfying the recurrence relation f (n) = af (n∕b) + cnd, where a ≥ 1, b is an integer greater than 1, and c and d are positive real numbers

 

Show that if a+ bª and n is a power of b, then f(n) =
C,nd +C,n®$» «, wherp C = b*c/(bt – a) and C, =
F(1) + b'c/(a – b).
Transcribed Image Text:Show that if a+ bª and n is a power of b, then f(n) = C,nd +C,n®$» «, wherp C = b*c/(bt – a) and C, = F(1) + b'c/(a – b).
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