Question

Write a formula for the general term (the nth term) of the geometric sequence.

1/2, -1/10, 1/50, -1/250,....
A. an = ( 1/2) n - 1 3/5

B. an = 1/2- 1/5 (n - 1)
C. an = 1/2 (-1/5) n - 1

D. an =1/5(-1/2) n - 1

@eliassaab

Answer 1

here is the formula:
a(n) = (first term) (common ratio)^(n-1)

Answer 2

n starts at 1

Answer 3

c

Answer 4

dude really?

Answer 5

Are you retarded ello

Answer 6

How many times have I told you don't give the answer away....

Answer 7

non of your concern if i am :p

Answer 8

no comment.

Answer 9

@sourwing is right

Answer 10

Ok thank you guys