已知集合A={x|4/(x+1)>1},B={x|x^2-4ax+3a^2<0,x∈R},当A∩B=∅时,求实数a的取值范围
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 01:21:10
![已知集合A={x|4/(x+1)>1},B={x|x^2-4ax+3a^2<0,x∈R},当A∩B=∅时,求实数a的取值范围](/uploads/image/z/4481218-10-8.jpg?t=%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%EF%BD%9Bx%7C4%2F%28x%2B1%29%EF%BC%9E1%EF%BD%9D%2CB%3D%EF%BD%9Bx%7Cx%5E2-4ax%2B3a%5E2%EF%BC%9C0%2Cx%E2%88%88R%EF%BD%9D%2C%E5%BD%93A%E2%88%A9B%EF%BC%9D%26%238709%3B%E6%97%B6%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
已知集合A={x|4/(x+1)>1},B={x|x^2-4ax+3a^2<0,x∈R},当A∩B=∅时,求实数a的取值范围
已知集合A={x|4/(x+1)>1},B={x|x^2-4ax+3a^2<0,x∈R},当A∩B=∅时,求实数a的取值范围
已知集合A={x|4/(x+1)>1},B={x|x^2-4ax+3a^2<0,x∈R},当A∩B=∅时,求实数a的取值范围
集合A中X>-3/4 ,集合B中(X-2a)^2