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一元二次方程根的判别式的用途很广,现将通常应用的几种情况举例如下:一、判定方程根的情况例1关于x的一元二次方程mx2-(m-1)x-m=0,试判定此方程根的情况.
The discriminant of the quadratic equation roots is very versatile. Now we give some examples of the commonly used situations: First, the case of determining the root of the equation Example 1 The quadratic equation mx2- (m-1) xm = 0 for x , Try to determine the root of this equation.