已知p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上市单调函数;q:"x^2-2x

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已知p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上市单调函数;q:"x^2-2x
已知p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上市单调函数;q:"x^2-2x

已知p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上市单调函数;q:"x^2-2x
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p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上是单调函数,
f'(x)=(x-1)e^x,
∴m>=1或m<=1/2.
q:"x^2-2x<=0"是“x^2-2mx-3m^2<=0”的充分不必要条件,(改题了)
<==>{x|0<=x<=2}是{x|-m<=x<=3m}的真子集,
<==>2<=3m,
<==>m>=2/3...

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p:函数f(x)=(x-2)e^x(e是自然对数的底数),在(m,2m)上是单调函数,
f'(x)=(x-1)e^x,
∴m>=1或m<=1/2.
q:"x^2-2x<=0"是“x^2-2mx-3m^2<=0”的充分不必要条件,(改题了)
<==>{x|0<=x<=2}是{x|-m<=x<=3m}的真子集,
<==>2<=3m,
<==>m>=2/3.
pvq为真,p且q为假,
<==>p真q假,或p假q真,
<==>{"m>=1或m<=1/2",且m<2/3},或{1/2=2/3},
<==>m<=1/2,或2/3<=m<1,为所求

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