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Arithmetic Sequences
hard
0:00.0
Find the common difference of an AP if
a
5
=
18
a_5 = 18
a
5
=
18
and
a
2
=
9
a_2 = 9
a
2
=
9
.
A
2
2
2
B
3
3
3
C
4
4
4
D
5
5
5
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