 146
 5
 Homework Statement
 The sum of series ##1+(1/1!)(1/4)+(1.3/2!)(1/4)^2+(1.3.5/3!)(1/4)^3.....## to infinity is
 Homework Equations

sum of infinite gp=##a/(1r)##
Sum of infinite agp=##ab/(1r)+dbr/(1r)^2##
I tried by
##S=1+(1/1!)(1/4)+(1.3/2!)(1/4)^2+...##
##S/4=1/4+(1/1!)(1/4)^2+(1.3/2!)(1/4)^3..##
And then subtracting the two equations but i arrived at nothing What shall i do further?
##S=1+(1/1!)(1/4)+(1.3/2!)(1/4)^2+...##
##S/4=1/4+(1/1!)(1/4)^2+(1.3/2!)(1/4)^3..##
And then subtracting the two equations but i arrived at nothing What shall i do further?