17. 若函數 $f(x) = \frac{3x - 2}{x^2 + 1}$ ,則 $f'(1)$ 之值為何?
(A)1
(B)2
(C)3
(D)4
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統計: A(0), B(1), C(0), D(0), E(0) #3884191
統計: A(0), B(1), C(0), D(0), E(0) #3884191