一.求曲线Y=sinx/x在点M(π,0)处的切线方程.[/是除号,π是3.1415...的那个]二.讨论二次函数f(x)=ax^2+bx+c(a≠0)的单调区间.三.圆柱形金属饮料罐容积一定时,它的高与半径应怎样选择,才能使所用材料最
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![一.求曲线Y=sinx/x在点M(π,0)处的切线方程.[/是除号,π是3.1415...的那个]二.讨论二次函数f(x)=ax^2+bx+c(a≠0)的单调区间.三.圆柱形金属饮料罐容积一定时,它的高与半径应怎样选择,才能使所用材料最](/uploads/image/z/7274457-9-7.jpg?t=%E4%B8%80.%E6%B1%82%E6%9B%B2%E7%BA%BFY%3Dsinx%2Fx%E5%9C%A8%E7%82%B9M%28%CF%80%2C0%29%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B.%5B%2F%E6%98%AF%E9%99%A4%E5%8F%B7%2C%CF%80%E6%98%AF3.1415...%E7%9A%84%E9%82%A3%E4%B8%AA%5D%E4%BA%8C.%E8%AE%A8%E8%AE%BA%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0f%28x%29%3Dax%5E2%2Bbx%2Bc%28a%E2%89%A00%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4.%E4%B8%89.%E5%9C%86%E6%9F%B1%E5%BD%A2%E9%87%91%E5%B1%9E%E9%A5%AE%E6%96%99%E7%BD%90%E5%AE%B9%E7%A7%AF%E4%B8%80%E5%AE%9A%E6%97%B6%2C%E5%AE%83%E7%9A%84%E9%AB%98%E4%B8%8E%E5%8D%8A%E5%BE%84%E5%BA%94%E6%80%8E%E6%A0%B7%E9%80%89%E6%8B%A9%2C%E6%89%8D%E8%83%BD%E4%BD%BF%E6%89%80%E7%94%A8%E6%9D%90%E6%96%99%E6%9C%80)
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