[" 62.The sum of the series "1+2^(2)x+3^(2)x^(2)+4^(2)x^(3)+....],[" to "oo" (where "-1

Find the sum of the series : 1^(2) + 2^(2)x + 3^(2)x^(2) + 4^(2) x^(3)+…. oo

Find the sum of the series 1+2^(2)x+3^(2)x^(2)+4^(2)x^(3)+"...."" upto "infty|x|lt1 .

Find the sum of the series 1+2^(2)x+3^(2)x^(2)+4^(2)x^(3)+"...."" upto "infty|x|lt1 .

Find the sum of the series 1+2^(2)x+3^(2)x^(2)+4^(2)x^(3)+"...."" upto "infty|x|lt1 .

find 1+2^(2)x+3^(2)x^(2)+4^(2)x^(3)+......oo,|x|<1

Find the sum of the infinite series 1^(2)+5^(2)x+9^(2)x^(2)+13^(2)x^(3)+...oo where |x|<1

Sum of the series 1+2^2x +3^2x^2 + 4^2x^3 …….to oo , |x| < 1 is :

The sum of the series 1 + 2x + 3x^(2) + 4x^(3) +"…." to oo where x lies between 0 and 1 i.e., 0 lt x lt 1 is :

Sum up to n terms the series 1+ 2x + 3x^(2) + 4x^(3) + ...