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Arithmetic Sequences
easy
0:00.0
What is
a
n
a_n
a
n
if
a
1
=
0
a_1 = 0
a
1
=
0
and
d
=
2
d = 2
d
=
2
?
A
2
n
2n
2
n
B
2
n
−
2
2n - 2
2
n
−
2
C
n
2
n^2
n
2
D
2
n
+
2
2n + 2
2
n
+
2
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