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Arithmetic Sequences
easy
0:00.0
Find
a
3
a_3
a
3
for
a
1
=
1
,
d
=
2
a_1=1, d=2
a
1
=
1
,
d
=
2
.
A
3
3
3
B
4
4
4
C
5
5
5
D
7
7
7
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