The sum of the infinitely decreasing G.P. whose third term, the three times the product of the first and fourth terms and the second term form, an A.P. with the common difference equal to `1//18` is

Find the sum of the infinitely decreasing G.P. whose third term,three xx the product of the first and fourth term and second term form an A.P.in the indicated order,with common difference equal to (1)/(8) .

If S is the sum to infinite terms of a G.P.whose first term is 'a',then the sum of the first n terms is

The sum of three terms of an A.P.is 21 and the product of the first and the third terms exceeds the second term by 6, find three terms.

The sum of three terms of an A.P.is 21 and the product of the first and the third terms exceeds the second term by 6, find three terms.

The sum of three terms of an A.P. is 21 and the product of the first and the thrid terms exceeds the second term by 6 , find three terms .

The third term of an A.P. is 25 and the tenth term is -3. find the first term and the common difference.

In a G.P.the product of the first four terms is 4 and the second term is the reciprocal of the fourth term.The sum of infinite terms of the G.P is

Write first three terms of the A.P ., when the first term is -1 and the common difference is 5.