设A={(x,y)|y/1-x2=1},B={(x,y)|y=1-x2},C={(x,y)|(x,y)属于B,且(x,y)不属于A},用列举法表示集合C

设A={(x,y)|y/1-x2=1},B={(x,y)|y=1-x2},C={(x,y)|(x,y)属于B,且(x,y)不属于A},用列举法表示集合C
设A={(x,y)|y/1-x2=1},B={(x,y)|y=1-x2},C={(x,y)|(x,y)属于B,且(x,y)不属于A},用列举法表示集合C

设A={(x,y)|y/1-x2=1},B={(x,y)|y=1-x2},C={(x,y)|(x,y)属于B,且(x,y)不属于A},用列举法表示集合C
C={(x,y)|(x,y)不属于(0,1) 属于y=1-x2
C={(x,y)|…(-2,-3)(-1,0)(1,0),(2,-3)…
AB图象可得