Q9) Find the rule for the nth term (term an )of the following sequence: a) 2, 6, 18, 54, ... b) 1,-1, 1, -1,... с) 12, 6, 0, -6, -12, ...
Q9) Find the rule for the nth term (term an )of the following sequence: a) 2, 6, 18, 54, ... b) 1,-1, 1, -1,... с) 12, 6, 0, -6, -12, ...
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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answer the following questions :
summation
Transcribed Image Text:Q9) Find the rule for the nth term (term an )of the following sequence:
а) 2, 6, 18, 54, ...
b) 1,-1, 1, -1,....
с) 12, 6, 0, -6, -12, ...
d) 15, 8, 1, -6, -13, -20,..
Q10) Find the following summation:
п
3
ΣΣ
2
i=n-2 i=1
> (5 + v4')
i=0
п
(5jn)
j=n-10
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