arithmetic, geometric, or neither: 3, 5, 9, 17, 33

Question

please answer asap! thanks :)

 

Answer 1

neither arithmetic nor geometric

Answer 2

Common difference(t2-t1) is constant in arthimetic series.

Common ratio(t2/t1) is constant in geometric series.

Given sereis 3,5,9,17,33.

Given sereis is neither arthimetic nor geometric.