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Q42Section C (Section C)42 of 60

Radius of n-factorial over n to the n

The radius of convergence of the power series ∑n≥1n!nnxn\sum_{n\ge 1}\dfrac{n!}{n^n}x^n is equal to __________ (round off to 2 decimal places)

Numerical answer: type the number (no options).

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