[" Find the sum of "2n" terms of the series whose every even term is " "times the term-befo "],[" and every odd term is " " times the term before it,the first term being unity."]

Find the sum of 2n terms of the series whose every even term is ' a ' times the term before it and every odd term is ' c ' times the term before it, the first term being unity.

Find the sum of 2n terms of the series whose every even term is ' a ' times the term before it and every odd term is ' c ' times the term before it, the first term being unity.

The sum of 2n terms of a series of which every even term is a times the term before it, and every odd term is c times the term before it, the first term being unity is

The sum of 20 terms of a series of which every term is 2 times the term before it ,and every odd term is 3 times the term before it the first term being unity is

The sum of 20 terms of a series of which every term is 2 times the term before it ,and every odd term is 3 times the term before it the first term being unity is

The sum of 20 terms of a series of which every even term is 2 times the term before it, every odd term is 3 times the term before it, the first term being unity is a. (2/7)(6^(10)-1) b. (3/7)(6^(10)-1) c. (3/5)(6^(10)-1) d. none of these

The sum of 20 terms of a series of which every even term is 2 times the term before it, every odd term is 3 times the term before it, the first term being unity is a. (2/7)(6^(10)-1) b. (3/7)(6^(10)-1) c. (3/5)(6^(10)-1) d. none of these

20.Find the sum of 2n terms of a series of which every even term is a xx the term before it,and every odd term c xx the term before it,the first term being unity

Find the sum of first n terms of the series whose nth term is 3n^(2)+5 .