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

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

Find the sum of the series 1^2+3^2+5^2+ ton terms.

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

Find the sum of the series (1^(2)+1)1!+(2^(2)+1)2!+(3^(2)+1)3!+ . .+(n^(2)+1)n! .

Sum of the n terms of the series (3)/(1^(2))+(5)/(1^(2)+2^(2))+(7)/(1^(2)+2^(2)+3^(3))+"......." is

Find the sum to n terms of the series 1/(1+1^(2)+1^(4))+2/(1+2^(2)+2^(4))+3/(1+3^(2)+3^(4))+… .

Sum of the series 1^(2) + 3^(2) + 5^(2) + … + n^(2) is :