几道微积分的判断题,1、设y=f(x)在[a,b]上连续,f(a)=f(b),则在(a,b)内至少存在一点ε∈(a,b),使得f′(ε)=0()2、若二元函数z=f(x)在点(x0 ,y0 )偏导数存在且连续,则该点处可微
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![几道微积分的判断题,1、设y=f(x)在[a,b]上连续,f(a)=f(b),则在(a,b)内至少存在一点ε∈(a,b),使得f′(ε)=0()2、若二元函数z=f(x)在点(x0 ,y0 )偏导数存在且连续,则该点处可微](/uploads/image/z/10950002-26-2.jpg?t=%E5%87%A0%E9%81%93%E5%BE%AE%E7%A7%AF%E5%88%86%E7%9A%84%E5%88%A4%E6%96%AD%E9%A2%98%2C1%E3%80%81%E8%AE%BEy%3Df%EF%BC%88x%EF%BC%89%E5%9C%A8%5Ba%2Cb%5D%E4%B8%8A%E8%BF%9E%E7%BB%AD%2Cf%EF%BC%88a%EF%BC%89%3Df%EF%BC%88b%EF%BC%89%2C%E5%88%99%E5%9C%A8%EF%BC%88a%2Cb%EF%BC%89%E5%86%85%E8%87%B3%E5%B0%91%E5%AD%98%E5%9C%A8%E4%B8%80%E7%82%B9%CE%B5%E2%88%88%EF%BC%88a%2Cb%EF%BC%89%2C%E4%BD%BF%E5%BE%97f%E2%80%B2%EF%BC%88%CE%B5%EF%BC%89%3D0%EF%BC%88%EF%BC%892%E3%80%81%E8%8B%A5%E4%BA%8C%E5%85%83%E5%87%BD%E6%95%B0z%3Df%EF%BC%88x%EF%BC%89%E5%9C%A8%E7%82%B9%EF%BC%88x0+%2Cy0+%EF%BC%89%E5%81%8F%E5%AF%BC%E6%95%B0%E5%AD%98%E5%9C%A8%E4%B8%94%E8%BF%9E%E7%BB%AD%2C%E5%88%99%E8%AF%A5%E7%82%B9%E5%A4%84%E5%8F%AF%E5%BE%AE)
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