the third fourth and fifth terms of a geometric progression are t+4,t+10 and t+20 respectively .determine the common ratio and first term.
Command ratio 4
Correct
How did you come up with the answer
Show the working
How did you come up with that answer
How did you come up with the answer
since the ratio is fixed,
(t+10)/(t+4) = (t+20)/(t+10)
t=5
Now just finish it off