Sum of n terms of the following series`1^3+3^3+5^3+7^3+`

Find the sum to n terms of the following series : 1+2/3 +3/3^2+4/3^3 + .......

Sum of n terms of the series 1^(3)+3^(3)+5^(3) +7^(3) + .... is

Find the sum to n terms of the following series : 1+3/2+5/2^2+7/2^3 + ...........

Find the sum of n terms of the following series : 1+3+7+13 +......

Find the sum to n terms of each of the following series : (3^(3) - 2^(3)) + (5^(3) - 4^(3)) + (7^(3) - 6^(3))+…

Find the sum to n terms of each of the following series : 1.3 .5 + 3.5.7 + 5.7.9+…

Find the sum to n terms of the following series : 3+5xx 1/4+7xx1/4^2 + .....

Find the sum of the following series : 1^3+3^3+5^3 + .... to n terms .

Sum to n terms of the series 1+3+7+13+.. .=