集合A={(x,y)|y=x^2+mx+2,m属于R},B={(x,y)|y=x+1}若A交B=空集,求实数m的取值范围.
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![集合A={(x,y)|y=x^2+mx+2,m属于R},B={(x,y)|y=x+1}若A交B=空集,求实数m的取值范围.](/uploads/image/z/6786468-36-8.jpg?t=%E9%9B%86%E5%90%88A%3D%7B%28x%2Cy%29%7Cy%3Dx%5E2%2Bmx%2B2%2Cm%E5%B1%9E%E4%BA%8ER%7D%2CB%3D%7B%28x%2Cy%29%7Cy%3Dx%2B1%7D%E8%8B%A5A%E4%BA%A4B%3D%E7%A9%BA%E9%9B%86%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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集合A={(x,y)|y=x^2+mx+2,m属于R},B={(x,y)|y=x+1}若A交B=空集,求实数m的取值范围.
集合A={(x,y)|y=x^2+mx+2,m属于R},B={(x,y)|y=x+1}若A交B=空集,求实数m的取值范围.
集合A={(x,y)|y=x^2+mx+2,m属于R},B={(x,y)|y=x+1}若A交B=空集,求实数m的取值范围.
A是空集
△1=m^2-8
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高二数学题难死了集合A={(x,y)丨y=-x^2+mx-1},B={(x,y)丨y=3-x,0
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