Asked by Ayomide
In a G.P,the product of the second and fourth terms is doubled the fifth term and the sum of the first four terms is 80.Find the G.P
Answers
Answered by
oobleck
ar * ar^3 = 2ar^4
a(r^4-1)/(r-1) = 80
2, 6, 18, 54, 162, ...
a(r^4-1)/(r-1) = 80
2, 6, 18, 54, 162, ...
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