Find the sum of the series `(1^3)/1+(1^3+2^3)/(1+3)+(1^3+2^3+3^3)/(1+3+5)+` up to `n` terms.

The sum of the first 9 terms of the series 1^3/1 + (1^3 + 2^3)/(1+3) + (1^3 + 2^3 +3^3)/(1 + 3 +5) ..... is :

The sum of first 9 terms of the series (1^(3))/(1)+(1^(3)+2^(3))/(1+3)+(1^(3)+2^(3)+3^(3))/(1+3+5)+"........" is

Find the sum of n terms of the series 1. 2^2+2. 3^2+3. 4^2+

Find the sum to n terms of the series: 1/(1. 3)+1/(3. 5)+1/(5. 7)+

Find the sum of first n terms of the series 1^(3) + 3^(3) + 5^(3) +…

Find the sum to n terms of the series 1 + (1 + 2) + (1 + 2 + 3) + ......

Find the sum to n terms of the series 1 + (1 + 2) + (1 + 2 + 3) + ......

Find the sum of the series 1/(3^2+1)+1/(4^2+2)+1/(5^2+3)+1/(6^2+4)+oo

Find the sum of the series: 1. n+2.(n-1)+3.(n-2)++(n-1). 2+n .1.

Find the sum of the series: 1. n+2.(n-1)+3.(n-2)++(n-1). 2+n .1.