Asked by The orange baboon
The fourth term of a GP is 2 and the a sixth term is 8. Find the common ratio and first term?
Answers
Answered by
Kenny
ar³=2......(1)
ar^5=8.....(2)
r^5/r³=8/2
r^(5-3)=4
r^2=4
r=2
Find a
ar^5=8.....(2)
r^5/r³=8/2
r^(5-3)=4
r^2=4
r=2
Find a
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