Writeanequationtodescribethesequencebelow.Usentorepresentthepositionofaterminthesequence,wheren = 1forthefirstterm.

Question

4
45
,
–8
45
,
16
45
, ...

Write your answer using proper fractions, improper fractions, and integers.

an =
(
)n - 1

Answer 1

an = (-1)^n * (4/45)