Question

is an=(6/5)^n
an arithmetic or geometric sequence? *** the "n" by the a in a small n (not exponent)

Answer 1

and why?

Answer 2

Arithmetic has a common difference (d) for each increase in n. It is a line.

\[a _{n} = a _{0}+n*d\]

Answer 3

Geometric is an exponential function, each increase in n, will multiply the thing by some number, in this case (6/5)

Answer 4

ok i see, thank you!

Answer 5

here is a straight forward explanation ...
http://www.differencebetween.com/difference-between-arithmetic-sequence-and-vs-geometric-sequence/

Answer 6

thank you!