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Arithmetic Sequences
easy
0:00.0
Find
a
3
a_3
a
3
if
a
1
=
5
,
d
=
5
a_1=5, d=5
a
1
=
5
,
d
=
5
.
A
15
15
15
B
10
10
10
C
20
20
20
D
5
5
5
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