obelu Messages 2 Reaction score 0 Thread starter Oct 3, 2008 #1 Please I have a similar problem, how can I compute the sum of this infinite series: SUM(X / (Y^X) ); where X(i)>0
Please I have a similar problem, how can I compute the sum of this infinite series: SUM(X / (Y^X) ); where X(i)>0
sutupidmath Messages 1,629 Reaction score 4 Oct 3, 2008 #2 Is this your series? [tex]\sum\frac{X}{Y^X}[/tex] X(i)>0, what is X, what is Y?
obelu Messages 2 Reaction score 0 Oct 3, 2008 #3 Y is a constant, while the X's are increasing from zero to infinity
HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 983 Oct 5, 2008 #4 Knowing only that Xn is "some" increasing sequence there is no way to find the sum.