已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3}求A∩B,A∩∩C,(A∩B)∪(B∩
问题描述:
已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3}求A∩B,A∩∩C,(A∩B)∪(B∩
答
A∩B={(0,0)},A∩C=空集,(A∩B)∪(B∩C)={(0,0),(0.6,-1.8)}