The probability is one of the most important branches of mathematics There are various methods of proving the inequality.
概率论是数学的一个重要分支，不等式的证法是多种多样的。
The paper introduces the methods of proving the inequality with differentiation, which make it easy to prove some inequalities.
本文介绍了用微分法讨论不等式有关证明方法，利用这些方法使不等式的证明变得非常简单。
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