Three consecutive terms in a G.P are 3^2x+1 , 9x and 81 respectively. a. Calculate the value of x b. Find the common ratio of the...

Three consecutive terms in a G.P are 3^2x+1 , 9x and 81 respectively.
a. Calculate the value of x
b. Find the common ratio of the series.
c. Calculate the sum of the first 10 terms of the series.
d. Given that the 5^th and 7^th terms of the G.P in (a) above form the 1^st two consecutive terms of an A.P Calculate the sum of the 1st 20 terms of the A.P.

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sharon kalunda answered the question on August 27, 2019 at 13:51

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