If the n th term of a G.P. be p , then show that the product of the first ( 2n-1 ) terms is p2n-1 .
Let a and r be the first term and common ratio of G.P. respectively.
Given, nth term of G.P. = P
∴ arn–1 = P ...(1)
Product of first 2n –1 terms
If the n th term of a G.P. be p , then show that the product of the first ( 2n-1 ) terms is p2n-1 .
Let a and r be the first term and common ratio of G.P. respectively.
Given, nth term of G.P. = P
∴ arn–1 = P ...(1)
Product of first 2n –1 terms