若全集I={(x,y)|x,y∈R},集合M={(x,y)|(y-3)/(x-2)},N{(x,y)|y=x=1},则(
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若全集I={(x,y)|x,y∈R},集合M={(x,y)|(y-3)/(x-2)},N{(x,y)|y=x=1},则(CIM)∩(CIN)=
意外,M={(x,y)|(y-3)/(x-2)=1},
意外,M={(x,y)|(y-3)/(x-2)=1},
N={(1,1)},M={(x,y)|y-3=x-2},即M={(x,y)|y-x-1=0},
CIM即为除直线外的所有的(x,y),CIN即为除(1,1)外的(x,y),
所以(CIM)∩((CIM))= CI(M并N)=={(x,y)|y不等于x+1且x不等于,y不等于1},
CIM即为除直线外的所有的(x,y),CIN即为除(1,1)外的(x,y),
所以(CIM)∩((CIM))= CI(M并N)=={(x,y)|y不等于x+1且x不等于,y不等于1},
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