Writeanequationtodescribethesequencebelow.Usentorepresentthepositionofaterminthesequence,wheren = 1forthefirstterm.
–3 , 6 , –12 , ...
Write your answer using decimals and integers.
an =
(
)n - 1
1 answer
an = (-1)^n * 3 * 2^(n-1)