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Geometric Sequences
hard
0:00.0
Sum
1
/
2
+
1
/
4
+
1
/
8
1/2+1/4+1/8
1/2
+
1/4
+
1/8
.
A
0.875
0.875
0.875
B
0.75
0.75
0.75
C
1
1
1
D
None
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