已知函数f(x)=alnx+bx,g(x)=mx-1,(a,b,m为常数)f(x)的图像在点(1,f(1))处的切线方程为y=3ax-1(1)求a,b的值,(2)f(x)≤g(x)恒成立,求实数m的取值范围
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![已知函数f(x)=alnx+bx,g(x)=mx-1,(a,b,m为常数)f(x)的图像在点(1,f(1))处的切线方程为y=3ax-1(1)求a,b的值,(2)f(x)≤g(x)恒成立,求实数m的取值范围](/uploads/image/z/12502486-46-6.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dalnx%2Bbx%2Cg%28x%29%3Dmx-1%2C%EF%BC%88a%2Cb%2Cm%E4%B8%BA%E5%B8%B8%E6%95%B0%EF%BC%89f%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%9C%A8%E7%82%B9%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%E6%96%B9%E7%A8%8B%E4%B8%BAy%3D3ax-1%281%29%E6%B1%82a%2Cb%E7%9A%84%E5%80%BC%2C%EF%BC%882%EF%BC%89f%EF%BC%88x%EF%BC%89%E2%89%A4g%28x%29%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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