Question

If the fourth term of a G.P. is 8 and fifth term is 16, then what is the product of first
8 terms?
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Answer 1

Answer:

r =2

4th = 8

so 1st term is 2^0

so.series is 2^0 , 2^1 , 2^2 , 2^3 ....2^7

Sum = 2^28 Ans.