The sum of n terms of the following series `1+(1+x)+(1+x+x^2)+....` will be

Find the sum to n terms of the following series : 1+ 3x+ 5x^2+7x^3+ .......... when |x|<1.

Find the sum to n terms of the following series : 1+2x+ 3x^2+4x^3+ .......... when |x|<1.

Find the sum to n terms of the following series : 1+4x+7x^2+10x^3 + .......... when |x|<1.

The sum of n terms of the series (1)/(1 + x) + (2)/(1 + x^(2)) + (4)/(1 + x^(4)) + ……… is

The sum of n terms of the series (1)/(1 + x) + (2)/(1 + x^(2)) + (4)/(1 + x^(4)) + ……… is

Find the sum of n-terms of the following series: (x+1/x)^2+(x^2+1/x^2)^2+(x^3+1/x^3)^2+(x^4+1/x^4)^2+...

The sum of first n terms of the series 1 + (1 + x) y+ (1 + x + x^(2)) y^(2) + (1 + x + x^(2) + x^(3))y^(3) + ……….. is

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

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

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