已知一元二次方程ax平方+bx+c=0(a≠0)的两根分别为x1,x2,则x1+x2=﹣b/a;x1x2=c/a.已知x1,x1已知x1,x1是方程X平方-4KX+4=0的两实数根 且满足X1平方+X2平方-6(X1+X2)=﹣8.求K,X1,X2的值别直接来结果
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 13:00:02
![已知一元二次方程ax平方+bx+c=0(a≠0)的两根分别为x1,x2,则x1+x2=﹣b/a;x1x2=c/a.已知x1,x1已知x1,x1是方程X平方-4KX+4=0的两实数根 且满足X1平方+X2平方-6(X1+X2)=﹣8.求K,X1,X2的值别直接来结果](/uploads/image/z/1687546-10-6.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bax%E5%B9%B3%E6%96%B9%2Bbx%2Bc%3D0%28a%E2%89%A00%29%E7%9A%84%E4%B8%A4%E6%A0%B9%E5%88%86%E5%88%AB%E4%B8%BAx1%2Cx2%2C%E5%88%99x1%2Bx2%3D%EF%B9%A3b%2Fa%3Bx1x2%3Dc%2Fa.%E5%B7%B2%E7%9F%A5x1%2Cx1%E5%B7%B2%E7%9F%A5x1%2Cx1%E6%98%AF%E6%96%B9%E7%A8%8BX%E5%B9%B3%E6%96%B9-4KX%2B4%3D0%E7%9A%84%E4%B8%A4%E5%AE%9E%E6%95%B0%E6%A0%B9+%E4%B8%94%E6%BB%A1%E8%B6%B3X1%E5%B9%B3%E6%96%B9%2BX2%E5%B9%B3%E6%96%B9-6%EF%BC%88X1%2BX2%EF%BC%89%3D%EF%B9%A38.%E6%B1%82K%2CX1%2CX2%E7%9A%84%E5%80%BC%E5%88%AB%E7%9B%B4%E6%8E%A5%E6%9D%A5%E7%BB%93%E6%9E%9C)
xRN@~J*[bڄHx_+UQ{٣B䈖RBJZZ c:==sŞfjƮ/σx
quӧl<Q5:NᘅM~G
ML~РW(/)zY|RpW=Ŷg?z|L