题目内容

2、下列条件不能使函数f(x)在[a,b]上应用拉格朗日中值定理的是（）

A. 在[a,b]上连续，在(a,b)内可导
B. 在[a,b]上可导
C. 在(a,b)内可导，且在a点右连续，b点左连续
D. 在(a,b)内有连续的导数

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