1003112810

Level: 
Project ID: 
1003112810
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
The sum of the first \( n \) terms of a geometric sequence is \( -5 \), the common ratio is \( -2 \) and the first term equals \( 1 \). Find \( n \).
\( 4 \)
\( 3 \)
\( 5 \)
\( 6 \)
\( 2 \)