1003134707

Level: 
Project ID: 
1003134707
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
Find the sum of the first five terms of the geometric sequence \( \{a_n\}_{n=1}^{\infty} \), if: \[ \begin{aligned} a_1+a_3&=8, \\ a_1+a_2&=0. \end{aligned} \]
\( 4 \)
\( -4 \)
\( 0 \)
\( 8 \)
\( -8 \)