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Geometric Sequences
easy
0:00.0
What is
r
r
r
for
−
1
,
1
,
−
1
-1, 1, -1
−
1
,
1
,
−
1
?
A
−
1
-1
−
1
B
1
1
1
C
0
0
0
D
−
2
-2
−
2
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