一直一元二次方程x²-4x+k=0有两个不相等的实数根.(1)求k的取值范围?(2)如果k是符合条件的最大整数,且一元二次方程x²-4x+k=0与x²+mx-1=0有一个相同的根,求此时m的根
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![一直一元二次方程x²-4x+k=0有两个不相等的实数根.(1)求k的取值范围?(2)如果k是符合条件的最大整数,且一元二次方程x²-4x+k=0与x²+mx-1=0有一个相同的根,求此时m的根](/uploads/image/z/560257-25-7.jpg?t=%E4%B8%80%E7%9B%B4%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bx%26%23178%3B-4x%2Bk%3D0%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%B8%8D%E7%9B%B8%E7%AD%89%E7%9A%84%E5%AE%9E%E6%95%B0%E6%A0%B9.%EF%BC%881%EF%BC%89%E6%B1%82k%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%3F%EF%BC%882%EF%BC%89%E5%A6%82%E6%9E%9Ck%E6%98%AF%E7%AC%A6%E5%90%88%E6%9D%A1%E4%BB%B6%E7%9A%84%E6%9C%80%E5%A4%A7%E6%95%B4%E6%95%B0%2C%E4%B8%94%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8Bx%26%23178%3B-4x%2Bk%3D0%E4%B8%8Ex%26%23178%3B%2Bmx-1%3D0%E6%9C%89%E4%B8%80%E4%B8%AA%E7%9B%B8%E5%90%8C%E7%9A%84%E6%A0%B9%2C%E6%B1%82%E6%AD%A4%E6%97%B6m%E7%9A%84%E6%A0%B9)
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