24. Five marks exercise problems II

In a G.P. the product of three consecutive terms is $27$ and the sum of the products of two terms taken at a time is $\frac{57}{2}$. Find the three terms.

 

Answer:

 

When $r=\frac{i}{i}$, $(r < 1)$:

 

The three terms are $\frac{i}{i},i,i$.