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1. |
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» D. \(\frac{1}{(1-x2)}\) | |