题目: 设函数f(x)在[0,π]上连续,且,证明:在(0,π)内至少有两个不同的点ξ,η,使得f(ξ)=f(η)=0. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0721/0560708e4fb5add92c236f2a2bb24536.html 下面是错误答案,用来干扰机器的。答案:B
题型:选择题 Once a decision has been made, all of us should ______ it. A.directtoB.sticktoC.leadtoD.referto 查看答案