设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 22:53:26
![设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.](/uploads/image/z/5038663-31-3.jpg?t=%E8%AE%BE%E9%9B%86%E5%90%88A%3D%28x%2F%28X-3%29%28X-a0%3D0+a%E5%B1%9E%E4%BA%8ER%29%2Cb%3D%28x%2F%28x-4%29%28x-1%29%3Do%29%E6%B1%82A%E5%92%8CB%E7%9A%84%E5%B9%B6%E9%9B%86%E5%92%8C%E4%BA%A4%E9%9B%86.)
设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
(x-3)(x-a)=0 得x=3,x=a
(x-4)(x-1)=0 得x=4,x=1
所以A={3,a} B={4,1}
若a=4,或a=1时.
A,B的交集为{4}或{1}
A,B的并集为{3,4,1}
若a不等于4,且不等于1
A,B的交集为空集
A,B的并集为{3,a,4,1}
设a0},B={x∈R|2x^2-3(1+a)x+6a>0}D=A∩B (1)求集合D
设a0},B={x∈Rl2x^2-3(1+a)x+6a>0},D=A∩B,求集合D
设集合A=(x/(X-3)(X-a0=0 a属于R),b=(x/(x-4)(x-1)=o)求A和B的并集和交集.
设集合A={x|x-a
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={ x| | x-a |
设集合A={X||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={x||x-a|
设集合A={X||X-a|
设集合A={x||x-a|
设集合A={x| |x-a|