Que: What is the generating function for generating series 1, 2, 3, 4, 5,… ?

a. \(\frac{2}{(1-3x)}\)
b. \(\frac{1}{(1+x)}\)
c. \(\frac{1}{(1−x)^2}\)
d. \(\frac{1}{(1-x2)}\)
Answer: \(\frac{1}{(1−x)^2}\)

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