How the answer was computed for the following infinite series: sum_(x=1)^(oo) e^(-sx) pq^(x-1)=(pe^(-s))/(1-qe^(-s))

Dulce Cantrell 2022-09-14 Answered
How the answer was computed for the following infinite series:
x = 1 e s x p q x 1 = p e s 1 q e s
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Answers (1)

kappastud98u
Answered 2022-09-15 Author has 10 answers
Hint:
e s x p q x 1 = ( e s q ) x 1 p e s
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