Część:
Project ID:
2010006909
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Oblicz nieskończona sumę
\[
-\frac{3}
{4} + \frac{1}
{4} -\frac{3}
{8} + \frac{1}
{8} - \frac{3}
{16} +\cdots
\]
\( -1 \)
\(-\frac{1}
{4}\)
\(-\frac{1}
{2}\)
\( -2 \)