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Arithmetic Sequences
medium
0:00.0
In an AP,
a
1
=
4
a_1 = 4
a
1
=
4
and
S
3
=
18
S_3 = 18
S
3
=
18
. What is
d
d
d
?
A
2
2
2
B
3
3
3
C
4
4
4
D
1
1
1
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