设函数f(x)在闭区间[-1,1]上具有三阶连续导数,且f(-1)=0,f(1)=1 发布时间:2018-06-01 00:42 │ 来源:www.tikuol.com 题型:问答题 问题: 设函数f(x)在闭区间[-1,1]上具有三阶连续导数,且f(-1)=0,f(1)=1,f’(0)=0,证明:在开区间(-1,1)内至少存在一点ξ,使f"’(ξ)=3.
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