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Arithmetic Sequences
hard
0:00.0
In an AP,
S
n
=
3
n
+
2
n
2
S_n = 3n + 2n^2
S
n
=
3
n
+
2
n
2
. Find the 10th term.
A
41
41
41
B
39
39
39
C
230
230
230
D
155
155
155
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