极限limx→01+3x−132x=\lim\limits_{x \to 0} \dfrac{\sqrt[3]{1 + 3x - 1}}{2x} =x→0lim2x31+3x−1=( ).
(A)12\dfrac{1}{2}21
(B)23\dfrac{2}{3}32
(C)0
(D)∞\infty∞
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