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Arithmetic Sequences
easy
0:00.0
Find
a
2
a_2
a
2
if
a
1
=
100
,
d
=
−
100
a_1=100, d=-100
a
1
=
100
,
d
=
−
100
.
A
100
100
100
B
−
100
-100
−
100
C
200
200
200
D
0
0
0
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