已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0…….已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0,无实数根,若"p或q"和"非p"都为
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 08:55:17
![已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0…….已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0,无实数根,若](/uploads/image/z/1612295-71-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%91%BD%E9%A2%98p%EF%BC%9A%E6%96%B9%E7%A8%8Bx%26%23178%3B%2Bmx%2B1%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%B8%8D%E7%9B%B8%E7%9A%84%E8%B4%9F%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E5%B7%B2%E7%9F%A5%E5%91%BD%E9%A2%98q%3A4x%26%23178%3B%2B4%28m-2%29x%2B1%3D0%E2%80%A6%E2%80%A6.%E5%B7%B2%E7%9F%A5%E5%91%BD%E9%A2%98p%EF%BC%9A%E6%96%B9%E7%A8%8Bx%26%23178%3B%2Bmx%2B1%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%B8%8D%E7%9B%B8%E7%9A%84%E8%B4%9F%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E5%B7%B2%E7%9F%A5%E5%91%BD%E9%A2%98q%3A4x%26%23178%3B%2B4%28m-2%29x%2B1%3D0%2C%E6%97%A0%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E8%8B%A5%22p%E6%88%96q%22%E5%92%8C%22%E9%9D%9Ep%22%E9%83%BD%E4%B8%BA)
已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0…….已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0,无实数根,若"p或q"和"非p"都为
已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0…….
已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0,无实数根,若"p或q"和"非p"都为真求实数m的取值范围?
已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0…….已知命题p:方程x²+mx+1=0有两个不相的负实数根,已知命题q:4x²+4(m-2)x+1=0,无实数根,若"p或q"和"非p"都为
命题p:方程x²+mx+1=0有两个不相的负实数根,
(1)判别式=m²-4>0
(2)两根之和-m0
∴ m>2
命题q:4x²+4(m-2)x+1=0,无实数根
判别式=16(m-2)²-16