Writeanequationtodescribethesequencebelow.Usentorepresentthepositionofaterminthesequence,wheren = 1forthefirstterm.
–1
54
,
1
27
,
–2
27
, ...
Write your answer using proper fractions, improper fractions, and integers.
an =
(
)n - 1
1 answer
an = (-1)^n * (27/(3^(n+1)))