1 摘 要 :本文结合实例重点介绍了导数在判断函数单调性、证明不等式和求极限等方面的应用 . 关 键 词 :导数 ,单调性 ,不等式 ,极限 2 Abstract: In this paper,we mainly introduced the application of derivative in judging the monotionicity of function,proving the inequality and caculating the limit etc. Keywords:derivative,monotonicity,inequality,limit
