Asked by triz

find the 7th term of the geometric progression if the first and 5th terms are 16 and 9 respectively.
Answered by Reiny
a = 16
ar^4 = 9
sub in a = 16
16r^4 = 9
4r = ± 3
r = ± 3/4

7th term = ar^6
= 16(±3/4) = 16(729/4096)
= 729/256
Answered by Allen
I don't understand
Answered by ISAAC
I dont understand
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