[" 20.In a GP "a_(1)=3,a_(n)=96" and "S_(n)=189" then "],[" number of terms is "]

In a GP a_(1)=3,a_(n)=96 and S_(n)=189. Find the number of terms

The sum of terms of a G.P if a_(1)=3,a_(n)=96 and S_(n)=189 is

If a_(1)=3 and a_(n)=n+a_(n-1) , the sum of the first five term is

In a GP {a_n} , if a_1=3,a_n=96 and S_n=189 . Find common ration and n.

In a G.P if the first term is 3, n^(th) term is 96 and the sum of n terms is 189, then the number of terms is

In a G.P if the first term is 3, nth term is 96 and the sum of n terms is 189, then the number of terms is

A G.P. has first term a=3 , last term l=96 and sum of n terms S=189 . Find the number of terms in it.

Determine the number of terms in a G.P.if a_(1)=3,a_(n)=96, and S_(n)=189.

If a_(1)=1, a_(2)=1, and a_(n)=a_(n-1)+a_(n-2) for n ge 3, find the first 7 terms of the sequence.

Determine the number of terms in G.P. if a_1=3,a_n=96 and S_n=189 .