Asked by Andrew
if the third term of a geometric sequence is 7, what is the common ratio?
would appreciate if u can show me the working. Thank you
would appreciate if u can show me the working. Thank you
Answers
Answered by
Reiny
You need one more piece of information.
The way it stands
ar^2 = 7
r^2 = 7/a
r = ±√(7/a)
The way it stands
ar^2 = 7
r^2 = 7/a
r = ±√(7/a)
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