将一颗质地均匀的正方体骰子(六个面的点数为1,2,3,4,5,6)先后抛掷两次,将得到的点数分别记为a,b.(1)求直线ax+by+5=0与圆x^2+y^2=1相切的概率;(2)将a,b,5的值分别作为三条线段的长,求这三
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 17:22:11
![将一颗质地均匀的正方体骰子(六个面的点数为1,2,3,4,5,6)先后抛掷两次,将得到的点数分别记为a,b.(1)求直线ax+by+5=0与圆x^2+y^2=1相切的概率;(2)将a,b,5的值分别作为三条线段的长,求这三](/uploads/image/z/3939166-46-6.jpg?t=%E5%B0%86%E4%B8%80%E9%A2%97%E8%B4%A8%E5%9C%B0%E5%9D%87%E5%8C%80%E7%9A%84%E6%AD%A3%E6%96%B9%E4%BD%93%E9%AA%B0%E5%AD%90%EF%BC%88%E5%85%AD%E4%B8%AA%E9%9D%A2%E7%9A%84%E7%82%B9%E6%95%B0%E4%B8%BA1%2C2%2C3%2C4%2C5%2C6%EF%BC%89%E5%85%88%E5%90%8E%E6%8A%9B%E6%8E%B7%E4%B8%A4%E6%AC%A1%2C%E5%B0%86%E5%BE%97%E5%88%B0%E7%9A%84%E7%82%B9%E6%95%B0%E5%88%86%E5%88%AB%E8%AE%B0%E4%B8%BAa%2Cb.%EF%BC%881%EF%BC%89%E6%B1%82%E7%9B%B4%E7%BA%BFax%2Bby%2B5%3D0%E4%B8%8E%E5%9C%86x%5E2%2By%5E2%3D1%E7%9B%B8%E5%88%87%E7%9A%84%E6%A6%82%E7%8E%87%EF%BC%9B%EF%BC%882%EF%BC%89%E5%B0%86a%2Cb%2C5%E7%9A%84%E5%80%BC%E5%88%86%E5%88%AB%E4%BD%9C%E4%B8%BA%E4%B8%89%E6%9D%A1%E7%BA%BF%E6%AE%B5%E7%9A%84%E9%95%BF%2C%E6%B1%82%E8%BF%99%E4%B8%89)
xTMP+y.(?eֽ!vhe@ȠLPF0XkY/x2ab2Rz9{neɨª
&3"
9)tͰwȰ&)
3XuP3ag. IHF
RC"%4M?~!'7-bb1\2 KEߞ~2)E{:锏TPvYaҾz%tm@l