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在求解某些数学问题时,若能从其定义着手去分析思考,有时会比使用其他方法更有效、更简便。下面举例说明一元二次方程根的定义在求解相关问题中的应用,供同学们学习时参考。
When solving some mathematical problems, it is sometimes more effective and easier than using other methods to analyze and think from their definitions. The following example illustrates the definition of root quadratic equations in solving the application of the problem, for students to learn reference.