The sum to infinity of the following series`1/(1*2)+1/(2*3)+1/(3*4)+....` shall be

Find the sum to infinity of the following series : 1-3/2+5/4-7/8+ .........

Find the sum to infinity of the following series : 1+2/3+ 3/3^2+4/3^3 + .......

The sum to infinity of the series (1)/(1)+(1)/(1+2)+(1)/(1+2+3)+...... is equal to

Find the sum to infinity of the following series : 2+3/2+1+5/8+ ..........

The sum to infinity of the series 1+ (4)/(5) + (7)/(5^2) + (10)/(5^3) +....is

Find the sum to infinity of the following series : 1-2/3 + 3/3^2-4/3^3+5/3^4 - .......

Find the sum to infinity of the series 2+1+(1)/(2)+...oo.

Find the sum to infinity of the series 2+1+(1)/(2)+...oo.

The sum to infinity of the series 1+2/3+6/(3^2)+(10)/(3^3)+(14)/(3^4). . . . . . is (1) 2 (2) 3 (3) 4 (4) 6

The sum to infinity of the series 1+2/3+6/(3^2)+(10)/(3^3)+(14)/(3^4). . . . . . is (1) 2 (2) 3 (3) 4 (4) 6