Second term of a GP is 6 and its fifth term is 9 times of its third term . Find the geometric progression . Consider that each term of the G.P. is positive.
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Step-by-step explanation:
Given,
T2=6 =ar=6.
According to the question,
T5=9*T3
Or
ar^4=9*ar^2
On solving,
r^2=9
r=√9
r=+_3
Now putting the value of r in ar=6 to find a.
a*(3)=6 [as mentioned in the question to consider only positive term]
a=6/3
a=2.
Now ,the G.P. is:
2,6,18.......
HOPE IT HELPS U ALL .
THIS IS MY FIRST ANSWER IN THE BRAINLY .
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