1.集合A={(x,y)｜x∧2+mx-y+2=0},集合B={(x,y)｜x-y+1=0,且0≤X≤2}又A∩B≠空集,求实数m的取值范围2.当x=__时,函数f(x)=(x-a1)∧2+(x-a2)∧2+……+(x-an)∧2取得最小值3.对于任意函数,函数f(x)=(5-a)x∧2-6x+a+5恒为

集合A={（x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0 已知集合A={(x,y)|y=x的平方+mx+2}.B={(x,y)|x 集合A={(x,y)|x^2+mx-y+2=0},集合B={(x,y)|x-y+1=0,且0 集合A=｛(x,y)|x^2+mx-y+2=0｝,集合｛(x,y)|x-y+1=0,且0 已知集合A={(x,y)|x2+mx-y+2=0}... 已知集合A={x|x^2+mx+2m 设集合A={x|x^2+mx+1=0,x∈R},B=y|y 设集合A={x|x^2+mx+1=0,x∈R},B=y|y 设集合A={(x,y)|y=x^2+mx+2},B={(x,y)|x-y+1=0,x 已知集合A={（x,y)|x*x+mx-y+2=0},B={(x,y)|x-y+1=o,0 已知集合A={（x,y)|x*x+mx-y+2=0},B={(x,y)|x-y+1=o,0 1.设全集U={X不好意思打错了~集合A={（x,y）|x2+mx-y+2=0},集合B={（x,y）|x-y+1=0,且0 已知集合A={(x,y)|x^2+mx+2=y},B={(x,y)|x-y+1=0,0 集合A={(x,y)|x^2+mx-y+2=0} B={(x,y)|x-y+1=0,0 集合A={(x,y)|x^2+mx-y+2=0} B={(x,y)|x-y+1=0,0 已知集合A=(x,y))∣x^2+mx-y+2=0,B=(x,y))∣x-y+1=0,0 已知集合A={(x,y)|x^2+mx-y+2=0},B={(x,y)|x-y+1=0,0 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