# Find the 20th and nth terms of the G.P.

Given: G.P.

We know that in G.P an = arn-1

Here, n: number of terms

a: First term = 5/2

r: common ratio

Common ratio of the given G.P is: ( r = 1/2)

Here, nth team of the G.P :

nth term of the given G.P. is

20th term of the given G.P. is

nth and 20th term of the given G.P. are: respectively.

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