1.已知关于x的方程x^2-2(m+1)x+m^2=0(1)当m取什么值时,原方程没实数根?(2)对m的选取一个合适的非零整数,使原方程有两个实数根,并求出这两个根.2.是否存在k的值,使方程(k-1)x^2-(k+2)x+4=0有两个相等
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![1.已知关于x的方程x^2-2(m+1)x+m^2=0(1)当m取什么值时,原方程没实数根?(2)对m的选取一个合适的非零整数,使原方程有两个实数根,并求出这两个根.2.是否存在k的值,使方程(k-1)x^2-(k+2)x+4=0有两个相等](/uploads/image/z/8837392-40-2.jpg?t=1.%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8Bx%5E2-2%28m%2B1%29x%2Bm%5E2%3D0%281%29%E5%BD%93m%E5%8F%96%E4%BB%80%E4%B9%88%E5%80%BC%E6%97%B6%2C%E5%8E%9F%E6%96%B9%E7%A8%8B%E6%B2%A1%E5%AE%9E%E6%95%B0%E6%A0%B9%3F%282%29%E5%AF%B9m%E7%9A%84%E9%80%89%E5%8F%96%E4%B8%80%E4%B8%AA%E5%90%88%E9%80%82%E7%9A%84%E9%9D%9E%E9%9B%B6%E6%95%B4%E6%95%B0%2C%E4%BD%BF%E5%8E%9F%E6%96%B9%E7%A8%8B%E6%9C%89%E4%B8%A4%E4%B8%AA%E5%AE%9E%E6%95%B0%E6%A0%B9%2C%E5%B9%B6%E6%B1%82%E5%87%BA%E8%BF%99%E4%B8%A4%E4%B8%AA%E6%A0%B9.2.%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8k%E7%9A%84%E5%80%BC%2C%E4%BD%BF%E6%96%B9%E7%A8%8B%28k-1%29x%5E2-%28k%2B2%29x%2B4%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E7%9B%B8%E7%AD%89)
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