Level:
Project ID:
2010005506
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The sum of the first \( n \) terms of a geometric sequence is \( 1 \), the common ratio is \( -3 \) and the first term equals \( \frac17 \). Find \( n \).
\( 3\)
\( 4 \)
\( 5 \)
\( 6 \)
\( 2 \)