The nth partial sum of the series 1 an is given by Sn n=1 Select the correct rule for or the actual nth term. an Hint: an-Sn-Sn-1 O a O b OC Od an an an an 9 (n - 5)(n-6) -9 (n - 5)(n-6) -5 (n - 5)(n-6) 2n²-9 (n - 5)(n-6) n + 4 n-5

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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Question
The nth partial sum of the series 1 an
Select the correct rule for
Hint: an-Sn-Sn-1
O a
Ob
Oc
Od
an =
an =
an
an
=
=
or the actual nth term.
an
9
(n - 5)(n-6)
-9
(n - 5)(n-6)
-5
(n - 5)(n-6)
is given by Sn
2n²-9
(n - 5)(n-6)
=
n + 4
n-5
Transcribed Image Text:The nth partial sum of the series 1 an Select the correct rule for Hint: an-Sn-Sn-1 O a Ob Oc Od an = an = an an = = or the actual nth term. an 9 (n - 5)(n-6) -9 (n - 5)(n-6) -5 (n - 5)(n-6) is given by Sn 2n²-9 (n - 5)(n-6) = n + 4 n-5
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