1.已知函数f(x)=((x+1)/(x+a))+ln(x+1)其中实数a不等于1.(1)若a=-2,求曲线y=f(x)在点(0,f(0))处的切线方程(2)若f(x)在x=1处取得极值,讨论f(x)的单调性2.四棱锥P-ABCD中,地面ABCD为矩形,PA垂直地面ABCD,
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![1.已知函数f(x)=((x+1)/(x+a))+ln(x+1)其中实数a不等于1.(1)若a=-2,求曲线y=f(x)在点(0,f(0))处的切线方程(2)若f(x)在x=1处取得极值,讨论f(x)的单调性2.四棱锥P-ABCD中,地面ABCD为矩形,PA垂直地面ABCD,](/uploads/image/z/3834961-25-1.jpg?t=1.%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%28%28x%2B1%29%2F%28x%2Ba%29%29%2Bln%28x%2B1%29%E5%85%B6%E4%B8%AD%E5%AE%9E%E6%95%B0a%E4%B8%8D%E7%AD%89%E4%BA%8E1.%EF%BC%881%EF%BC%89%E8%8B%A5a%3D-2%2C%E6%B1%82%E6%9B%B2%E7%BA%BFy%3Df%28x%29%E5%9C%A8%E7%82%B9%EF%BC%880%2Cf%280%29%EF%BC%89%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B%EF%BC%882%EF%BC%89%E8%8B%A5f%EF%BC%88x%29%E5%9C%A8x%3D1%E5%A4%84%E5%8F%96%E5%BE%97%E6%9E%81%E5%80%BC%2C%E8%AE%A8%E8%AE%BAf%28x%29%E7%9A%84%E5%8D%95%E8%B0%83%E6%80%A72.%E5%9B%9B%E6%A3%B1%E9%94%A5P-ABCD%E4%B8%AD%2C%E5%9C%B0%E9%9D%A2ABCD%E4%B8%BA%E7%9F%A9%E5%BD%A2%2CPA%E5%9E%82%E7%9B%B4%E5%9C%B0%E9%9D%A2ABCD%2C)
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