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Alejandro Velasquez
Mathematics
26 August, 13:44
2,6,3,9,6,18 what is the 10th term
+5
Answers (
1
)
Carla Arroyo
26 August, 13:59
0
Answer
39366
Step-by-step explanation:
Formula for a, n the term geometric series:
, where
a
is the first term and
r
is the common ratio.
In the sequence
[
-
2
,
6
,
-
18
,
...
]
a
=
-
2
and
r
=
a
2
a
1
=
6
-
2
=
-
3
∴
a
10
=
a
r
10
-
1
=
-
2
⋅
-
3
9
=
39366
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