Question

1. Determine whether the following sequences are
geometric progressions or not? If yes then find the
common ratio
() 27,9,3,1,.....
(i) -1,2,4,8,......
(iii)2,1/2,1/8,1/32,.....
iv)-12,-6,0,6,......​

Answer 1

Answer:

yes only first and third sequence is a g.p. but second and fourth is not a g.p.

common ratio of first is 1/3

and

common ratio of third is1/4