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Recursion
easy
0:00.0
Given
a
n
=
a
n
−
1
+
2
a_n = a_{n-1} + 2
a
n
=
a
n
−
1
+
2
with
a
3
=
10
a_3 = 10
a
3
=
10
, what is
a
2
a_2
a
2
?
A
8
B
12
C
6
D
5
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