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已知集合A={(x,y)|x2+mx-y+2=0},B={(x,y)|x-y+1=0,0≤x≤2},如果A∩B≠,求实数m的取值范围.
已知集合A={(x,y)|x2+mx-y+2=0}和B={(x,y)|x-y+1=0,0≤x≤2}.如果A∩B≠,求实数m的取值范围.
已知集合A={(x,y)|x2+mx-y+2=0,x∈R},B={(x,y)|x-y+1=0,0≤x≤2},若A∩B≠,求实数m的取值范围.