设U=R,集合A={x²丨x²+3x+2=0},B={x丨x²+(m+1)x+m=0}若(CuA)∩B=∅,求M的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 08:11:19
![设U=R,集合A={x²丨x²+3x+2=0},B={x丨x²+(m+1)x+m=0}若(CuA)∩B=∅,求M的值](/uploads/image/z/2464974-54-4.jpg?t=%E8%AE%BEU%3DR%2C%E9%9B%86%E5%90%88A%3D%7Bx%26%23178%3B%E4%B8%A8x%26%23178%3B%2B3x%2B2%3D0%7D%2CB%3D%7Bx%E4%B8%A8x%26%23178%3B%2B%28m%2B1%29x%2Bm%3D0%7D%E8%8B%A5%28CuA%29%E2%88%A9B%3D%26%238709%3B%2C%E6%B1%82M%E7%9A%84%E5%80%BC)
设U=R,集合A={x²丨x²+3x+2=0},B={x丨x²+(m+1)x+m=0}若(CuA)∩B=∅,求M的值
设U=R,集合A={x²丨x²+3x+2=0},B={x丨x²+(m+1)x+m=0}若(CuA)∩B=∅,求M的值
设U=R,集合A={x²丨x²+3x+2=0},B={x丨x²+(m+1)x+m=0}若(CuA)∩B=∅,求M的值
(-2)^2-2(m+1)+m=0 4-2m-2+m=0 m=2