已知函数f(x)xlnx,g(x)=x^3+ax^2-x+2.(1)如果函数g(x)的单调递减区间为(-1/3,1),求函数y=g(x)的图像在点p(-1,1)的切线方程.(2)若不等式2f(x)≤g'(x)+2在x∈[1,2]上有解,求实数a的
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![已知函数f(x)xlnx,g(x)=x^3+ax^2-x+2.(1)如果函数g(x)的单调递减区间为(-1/3,1),求函数y=g(x)的图像在点p(-1,1)的切线方程.(2)若不等式2f(x)≤g'(x)+2在x∈[1,2]上有解,求实数a的](/uploads/image/z/3017228-68-8.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89xlnx%2Cg%EF%BC%88x%EF%BC%89%3Dx%5E3%2Bax%5E2-x%2B2.%EF%BC%881%EF%BC%89%E5%A6%82%E6%9E%9C%E5%87%BD%E6%95%B0g%EF%BC%88x%EF%BC%89%E7%9A%84%E5%8D%95%E8%B0%83%E9%80%92%E5%87%8F%E5%8C%BA%E9%97%B4%E4%B8%BA%EF%BC%88-1%2F3%2C1%EF%BC%89%2C%E6%B1%82%E5%87%BD%E6%95%B0y%3Dg%EF%BC%88x%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E5%9C%A8%E7%82%B9p%EF%BC%88-1%2C1%EF%BC%89%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B.%EF%BC%882%EF%BC%89%E8%8B%A5%E4%B8%8D%E7%AD%89%E5%BC%8F2f%EF%BC%88x%EF%BC%89%E2%89%A4g%27%EF%BC%88x%EF%BC%89%2B2%E5%9C%A8x%E2%88%88%5B1%2C2%5D%E4%B8%8A%E6%9C%89%E8%A7%A3%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84)
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