设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
设集合A={y|y=x²+3,x∈R},B={y|y=-x²+10,x∈R},求A∩B.
设集合A={y|y=x²+ax+2,x∈R},B={x,y)|y=x²+ax+2,x∈R},
设集合A={y|y=x²+2x+2,x∈R},集合B={y|(y-2)(y+3)≤0},则集合A∩B等于
已知a={y|y=2x^2-x-3,x∈r},b={y|y=ax^2+x-3,a>0,x∈r}求a∩b,a∪b
设集合A={x|x^2-x-2>0},集合B={x|y=根号3-x的绝对值}求A∪B,A∩B
集合A={y|y=x²-1,x∈R},B={y|y=-2x²+2,x∈R},求A∩B
设集合A={y/y=x²-2x+3,x∈R},B={y/y=-x²+2x+10,x∈R},求A∩B
集合A{y|y=x²-1,x∈R},B{y|y=-2x²+2,x∈R}求A∩B
设集合A={(x,y)|2x+y=1,x、y∈R},集合B={(x,y)|a2x+2y=a,x,y∈R},若A∩B=∅,
设集合A={x|x^2+mx+1=0,x∈R},B=y|y
设集合A={x|x²-4x≤0,x∈R},B={y|y=-x²},则CR(A∩B)=