高中数学代数与函数一其他练习题2
题目内容

对于不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823223616443942.png某同学应用数学归纳法证明的过程如下: (1)当 http://picflow.koolearn.com/upload/papers/20140823/20140823223616474357.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823223616489496.png,不等式成立 (2)假设 http://picflow.koolearn.com/upload/papers/20140823/20140823223616505884.png时,不等式成立,即 http://picflow.koolearn.com/upload/papers/20140823/20140823223616536604.png 那么 http://picflow.koolearn.com/upload/papers/20140823/20140823223616552466.png时, http://picflow.koolearn.com/upload/papers/20140823/201408232236165672416.png 不等式成立根据(1)(2)可知,对于一切正整数 http://picflow.koolearn.com/upload/papers/20140823/20140823223616599297.png不等式都成立。上述证明方法(    )

2021-07-12

A.过程全部正确

B.http://picflow.koolearn.com/upload/papers/20140823/20140823223616474357.png验证不正确

C.归纳假设不正确

D.从http://picflow.koolearn.com/upload/papers/20140823/20140823223616630415.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823223616552466.png的推理不正确

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