(a) What sequence is a generating function for? 1-cr² (b) Find a generating function that is a rational function (not a power series) for 1, 1, 2, 3, 4, 9, 8, 27, 16, 81, 32, ... Hint: Use part (a) and the idea of shifting by multiplying by a.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question 4:
(a) What sequence is
1
a generating function for?
CZ²
(b) Find a generating function that is a rational function (not a power series) for
1, 1, 2, 3, 4, 9, 8, 27, 16, 81, 32, ...
Hint: Use part (a) and the idea of shifting by multiplying by x.
Transcribed Image Text:Question 4: (a) What sequence is 1 a generating function for? CZ² (b) Find a generating function that is a rational function (not a power series) for 1, 1, 2, 3, 4, 9, 8, 27, 16, 81, 32, ... Hint: Use part (a) and the idea of shifting by multiplying by x.
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