What is the common ratio of this geometric sequence 1.1, 4.4, 17.6, 70.4,...?
2 Answers
Apr 23, 2016
4
Explanation:
since
Apr 23, 2016
r = 4
Explanation:
For the standard geometric sequence:
# a,ar,ar^2,ar^3, ........ , ar^(n-1) # where a represents the 1st term , r the common ratio.
# r = (ar)/a=(ar^2)/(ar) =........ (ar^n)/(ar^(n-1)) # For the sequence here , therefore
# r = 4.4/1.1 = 17.6/4.4 = 4 #
