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Mathematics
Mathematics
Problem
If
S
n
S_n
S
n
, the sum of first
n
n
n
terms of an A.P. is given by
S
n
=
3
n
2
−
4
n
S_n = 3n^2 - 4n
S
n
=
3
n
2
−
4
n
. Find the
n
th
n^{\text{th}}
n
th
term.
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