Write an equation to represent the following statement. 24 is 4 times as great as k._
Solve for k.
k=_

Let x have probability generating function gx (s) and let un generating function u(s) of the sequence uo, u1, satisfies p(x > n). show that the (1- s)u(s) = 1 - gx(s), whenever the series defining these generating functions converge.