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Mathematics
Mathematics
Problem
The sum of the first
n
n
n
terms of a sequence is given by
S
n
=
3
n
2
+
5
n
S_n = 3n^2 + 5n
S
n
=
3
n
2
+
5
n
. What is the eighth term
a
8
a_8
a
8
? a)
53
53
53
b)
50
50
50
c)
47
47
47
d)
44
44
44
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