问题标题:
已知全集U={x|x∈N,x<10},A={x|x=2k,k∈N,x∈U},B={x|x2-3x+2=0}(1)用列举法表示集合U,A,B.(2)求A∩B,A∪B,∁UA.
更新时间: 2024-04-27 06:57:05
问题描述:
已知全集U={x|x∈N,x<10},A={x|x=2k,k∈N,x∈U},B={x|x2-3x+2=0}
(1)用列举法表示集合U,A,B.
(2)求A∩B,A∪B,∁UA.
任卫群回答:
(1)∵U={x|x∈N,x<10}∴U={0,1,2,3,4,5,6,7,8,9}∵A={x|x=2k,k∈N,x∈U}∴A={0,2,4,6,8},∵B={x|x2-3x+2=0}.∴B={1,2}(2)根据题意得:A∩B={2},A∪B={0,1,2,4,6,8},CUA={1,3,5,7...