设x,y满足条件3x-y-6=0,x>=0y>=0,若目标函数z=ax+by(a>0,b>0)的最大值为12,则2/a+3/b的最小值
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![设x,y满足条件3x-y-6=0,x>=0y>=0,若目标函数z=ax+by(a>0,b>0)的最大值为12,则2/a+3/b的最小值](/uploads/image/z/5262101-53-1.jpg?t=%E8%AE%BEx%2Cy%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B63x-y-6%3D0%2Cx%3E%3D0y%3E%3D0%2C%E8%8B%A5%E7%9B%AE%E6%A0%87%E5%87%BD%E6%95%B0z%3Dax%2Bby%28a%3E0%2Cb%3E0%29%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC%E4%B8%BA12%2C%E5%88%992%2Fa%2B3%2Fb%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC)
设x,y满足条件3x-y-6=0,x>=0y>=0,若目标函数z=ax+by(a>0,b>0)的最大值为12,则2/a+3/b的最小值
设x,y满足条件3x-y-6=0,x>=0y>=0,若目标函数z=ax+by(a>0,b>0)的最大值为12,则2/a+3/b的最小值
设x,y满足条件3x-y-6=0,x>=0y>=0,若目标函数z=ax+by(a>0,b>0)的最大值为12,则2/a+3/b的最小值
(4,6)
4a+6b=12
a/3+b/2=1
2/a+3/b=(2/a+3/b)(a/3+b/2)=13/6+a/b+b/a>=25/6
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