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方程根的证明在高等数学的证明及研究生入学考试中是一个重要题型,结合多年的教学经验,将方程根的求证问题归结为三种情形,并逐一介绍其证法,使学生在遇到此类问题时能找到正确的证明方法。
The proof of equation root is an important problem in the proof of advanced mathematics and postgraduate entrance examination. Combined with many years of teaching experience, the proof of equation root is reduced to three situations, Such problems can find the right way to prove.