已知函数f(x)=(2/x)+alnx,a∈R (1)若曲线y=f(x)在点P(1,f(1))处的切线垂直于直线y=x+2,求a?(2)求函数f(x)在区间(0,e]上的最小值?
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![已知函数f(x)=(2/x)+alnx,a∈R (1)若曲线y=f(x)在点P(1,f(1))处的切线垂直于直线y=x+2,求a?(2)求函数f(x)在区间(0,e]上的最小值?](/uploads/image/z/3836815-7-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%EF%BC%882%2Fx%EF%BC%89%2Balnx%2Ca%E2%88%88R+%EF%BC%881%EF%BC%89%E8%8B%A5%E6%9B%B2%E7%BA%BFy%3Df%28x%29%E5%9C%A8%E7%82%B9P%EF%BC%881%2Cf%EF%BC%881%EF%BC%89%EF%BC%89%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%E5%9E%82%E7%9B%B4%E4%BA%8E%E7%9B%B4%E7%BA%BFy%3Dx%2B2%2C%E6%B1%82a%3F%EF%BC%882%EF%BC%89%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%E5%9C%A8%E5%8C%BA%E9%97%B4%280%2Ce%5D%E4%B8%8A%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%3F)
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