Find a formula for the nth term of the following sequences:
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Find a formula for the nth term of the following sequences:

[From: ] [author: ] [Date: 11-06-27] [Hit: ]
.Assume a starting index of n=1.......
(a)1/1,-1/16,1/81,.......

an=

(b) 3/5,4/6,5/7,..

bn=

Assume a starting index of n=1.

-
an=-1/(-n)^4

bn=(n+2)/(n+4)

-
a)

an = [(-1)^(n-1)]/(n^4)

b)

bn = (n+2)/(n+4)

-
an =[ (-1)^(n+1)] /n^4
1
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