17. The gamma function Γ(n) is defined by
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
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統計: A(0), B(1), C(0), D(0), E(0) #2264881
統計: A(0), B(1), C(0), D(0), E(0) #2264881