Find the sum of the following series to infinity: `2//5+3//5^2\ +2//5^3+3//5^4+oo`

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

Find the sum of the following series to n term: 1.23.+2.3.5+3.4.5+.……..

Find the sum of the following series to n term: 1. 2. 5+2. 3. 6+3. 4. 7+..........

Find the sum of the following series to n term: 1. 2. 5+2. 3. 6+3. 4. 7+..........