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导数是解决函数问题的强有力工具.数列可以看作是特殊的函数,因而可以将数列嵌入到一个可导函数中,利用函数的性质研究数列的有关问题.下面举例做些探究.
Derivatives are powerful tools to solve the problem of functions.Series can be regarded as a special function, so we can embed the sequence into a derivable function and use the nature of the function to study the problem of the sequence.