设集合A={x|y=log2(x-1)},B={y|y=-x2+2x-2,x∈R}
设全集U=R,集合A={x丨y=根号下log2/3(x/3+1)},B={y丨y=x2+2x,x∈A},求,(1)A∩B
设集合A={y|y=x2+2x+4,x R},B={y|y= x2-4x+3,x R},给出下列结论:
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={y|y=x²+ax+2,x∈R},B={x,y)|y=x²+ax+2,x∈R},
设全集I={(x,y)|x,y∈R},集合P={(x,y)|y=x2+2bx+1},Q={(x,y)|y=2a(x+b)
设全集I=R,集合A={y|y=x^2-2},B={x|y=log2(3-x)},则CiA∩B
设集合A={x|y=log2(x-1)},B={y|y=-x^2+2x-2,x属于R},C={x/x^2-(m-1)x+
设集合A={x//x-2/≤2,x∈R},B={y/y=-x^2,-1
设集合A={x||x-2|≤2,x∈R},B={y|y=-x2},则CR(A∩B)等于多少
设x、y∈R,集合A={(x,y)|x2-y2=1},B={(x,y)|y=t(x+2)+3},若A∩B为单元素集,则t
已知集合A={(x,y)|y=x2-2x-3,x,y∈R},B={(x,y)|y+3/x-2=1,x,y∈R}求A交B
设集合A={x|x^2+mx+1=0,x∈R},B=y|y