[" 4.Find the sum to "n" terms of the series "],[(x^(2)+(1)/(x^(2))+2)+(x^(4)+(1)/(x^(4))+5)+(x^(6)+(1)/(x^(6))+8)+...]

Find sum to n terms of the series 3+5X(1)/(4)+7X(1)/(4^(2))+...

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

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

Find the sum to n terms of the sequence (x+1/x)^(2),(x^(2)+1/x)^(2),(x^(3)+1/x)^(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)+

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)+...

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

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

Find the sum to n terms of the series n+(n-1)x+(n-2)x^(2)+.........+2x^(n-2)+x^(r)