Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Geometric Sequences
medium
0:00.0
Sum the first 2 terms of
a
n
=
(
−
3
)
n
−
1
a_n = (-3)^{n-1}
a
n
=
(
−
3
)
n
−
1
.
A
−
2
-2
−
2
B
−
3
-3
−
3
C
4
4
4
D
0
0
0
Submit Answer