Level:
Project ID:
1003134701
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
The sum of the first and the second term of a geometric sequence is \( 1 \), the sum of the third and the fourth term is \( 4 \) and the common ratio is negative. Find the first term.
\( -1 \)
\( 2 \)
\( -2 \)
\( 3 \)
\( \frac13 \)