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Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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.

In which month was the peak, the largest deposit, made? january june july august