6. What is the length, to the nearest tenth, of the line segment joining the 8 points points (6,-2) and (136 , 18)? * O 1.141.4 O 2. 131.5 O 3.151.9 O 4. 160.2

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.