2010006909

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Project ID: 
2010006909
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
Evaluate the following infinite sum. \[ -\frac{3} {4} + \frac{1} {4} -\frac{3} {8} + \frac{1} {8} - \frac{3} {16} +\cdots \]
\( -1 \)
\(-\frac{1} {4}\)
\(-\frac{1} {2}\)
\( -2 \)