These are the first six terms of a sequence with a1 = -5 and a2 = -1:
-5, -1, 7, -13, 19, -25, …
Find a recursive formula for this sequence that is valid for n > 2.
Write your answer in simplest form.
These are the first six terms of a sequence with a1 = -5 and a2 = -1:
-5, -1, 7, -13, 19, -25, …
Find a recursive formula for this sequence that is valid for n > 2.
Write your answer in simplest form.