设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求CuM∩CuN

问题描述:

设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求CuM∩CuN
cu是补集的意思

cuM={(x,y)│y-3/x-2≠1}={(x,y)│y≠x+1},cuN={(x,y)│y=x+1},
CuM∩CuN=Ф