设a>=0,f(x)=x-1-(lnx)^5+2alnx (x>0).令F(x)=xf'(x),讨论F(x)在(0,正无穷)内的单调性并求极值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 15:10:16
![设a>=0,f(x)=x-1-(lnx)^5+2alnx (x>0).令F(x)=xf'(x),讨论F(x)在(0,正无穷)内的单调性并求极值.](/uploads/image/z/11463423-15-3.jpg?t=%E8%AE%BEa%3E%3D0%2Cf%28x%29%3Dx-1-%28lnx%29%5E5%2B2alnx+%28x%3E0%29.%E4%BB%A4F%28x%29%3Dxf%27%28x%29%2C%E8%AE%A8%E8%AE%BAF%28x%29%E5%9C%A8%280%2C%E6%AD%A3%E6%97%A0%E7%A9%B7%29%E5%86%85%E7%9A%84%E5%8D%95%E8%B0%83%E6%80%A7%E5%B9%B6%E6%B1%82%E6%9E%81%E5%80%BC.)
设a>=0,f(x)=x-1-(lnx)^5+2alnx (x>0).令F(x)=xf'(x),讨论F(x)在(0,正无穷)内的单调性并求极值.
设a>=0,f(x)=x-1-(lnx)^5+2alnx (x>0).令F(x)=xf'(x),讨论F(x)在(0,正无穷)内的单调性并求极值.
设a>=0,f(x)=x-1-(lnx)^5+2alnx (x>0).令F(x)=xf'(x),讨论F(x)在(0,正无穷)内的单调性并求极值.
求导再求导