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1. |
What is the generating function for the generating sequence A = 1, 9, 25, 49, ? |
A. | 1+(A-x<sup>2</sup>) |
B. | (1-A)-1/x |
C. | (1-A)+1/x<sup>2</sup> |
D. | (A-x)/x<sup>3</sup> |
Answer» C. (1-A)+1/x<sup>2</sup> | |