[" If the sum to infinity of the series "],[1+4x+7x^(2)+10x^(3)+......," is "(35)/(16)," then "],[x=]

If the sum to infinty of the series , 1+4x+7x^(2)+10x^(3)+…. , is (35)/(16) , where |x| lt 1 , then 'x' equals to

If the sum to infinty of the series , 1+4x+7x^(2)+10x^(3)+…. , is (35)/(16) , where |x| lt 1 , then 'x' equals to

If the sum to infinty of the series , 1+4x+7x^(2)+10x^(3)+…. , is (35)/(16) , where |x| lt 1 , then 'x' equals to

If the sum to infinity to the series 1+4x+7x^2+10x^3+..... is 35/16 the value of x is

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

Find the sum to ininity of the series 1-3x+5x^(2)+7x^(3)+....oo when lx|<1

Find the sum to infinity of the series 1^(2)+2^(2)x+3^(2)x^(2)+oo

The sum to infinity of the series 1+(4)/(7)+(9)/(49)+(16)/(343)+.... is

Find the sum to infinity of the series 1^2+2^2x+3^2x^2+oodot