数学题————设函数f(X)=lnx-1/2ax^2-bx设函数f(X)=lnx-1/2ax^2-bx当a=0,b=-1时,方程2mf(X)=x^2有唯一实数解,求正数m的值.有点难,
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![数学题————设函数f(X)=lnx-1/2ax^2-bx设函数f(X)=lnx-1/2ax^2-bx当a=0,b=-1时,方程2mf(X)=x^2有唯一实数解,求正数m的值.有点难,](/uploads/image/z/2535437-29-7.jpg?t=%E6%95%B0%E5%AD%A6%E9%A2%98%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E8%AE%BE%E5%87%BD%E6%95%B0f%28X%29%3Dlnx-1%2F2ax%5E2-bx%E8%AE%BE%E5%87%BD%E6%95%B0f%28X%29%3Dlnx-1%2F2ax%5E2-bx%E5%BD%93a%3D0%2Cb%3D-1%E6%97%B6%2C%E6%96%B9%E7%A8%8B2mf%28X%29%3Dx%5E2%E6%9C%89%E5%94%AF%E4%B8%80%E5%AE%9E%E6%95%B0%E8%A7%A3%2C%E6%B1%82%E6%AD%A3%E6%95%B0m%E7%9A%84%E5%80%BC.%E6%9C%89%E7%82%B9%E9%9A%BE%2C)
数学题————设函数f(X)=lnx-1/2ax^2-bx设函数f(X)=lnx-1/2ax^2-bx当a=0,b=-1时,方程2mf(X)=x^2有唯一实数解,求正数m的值.有点难,
数学题————设函数f(X)=lnx-1/2ax^2-bx
设函数f(X)=lnx-1/2ax^2-bx当a=0,b=-1时,方程2mf(X)=x^2有唯一实数解,求正数m的值.有点难,
数学题————设函数f(X)=lnx-1/2ax^2-bx设函数f(X)=lnx-1/2ax^2-bx当a=0,b=-1时,方程2mf(X)=x^2有唯一实数解,求正数m的值.有点难,
M=1,
f(X)=lnx+x
有唯一解即使是4m^2-4=o