Find the sum of following series upto infinity `1/3+1/6+1/12+1/24+..............`

Find the sum of the following series to infinity: 1-1/3+1/(3^2)-1/(3^3)+1/(3^4)+oo

Find the sum of the following series to infinity: 1/3+1/(5^2)+1/(3^3)+1/(5^4)+1/(3^5)+1/(5^6)+oo

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

Determine the sum of following series upto n terms. 1.3+2.4+3.5+ …….

Determine the sum of following series upto n terms. 1.2+2.3+3.4+ …….

Find the sum of the following series to infinity: 1-(1)/(3)+(1)/(3^(2))-(1)/(3^(3))+(1)/(3^(4))+oo

Find the sum of the following series : (i) 1,3,5,7... upto 12 terms.

Find the sum of the following series to infinity: (1)/(3)+(1)/(5^(2))+(1)/(3^(3))+(1)/(5^(4))+(1)/(3^(5))+(1)/(5^(6))+oo

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

Determine the sum of following series upto n terms. 1.1+2.3+3.5+ …….