1 . 在数学归纳法证明等式“
”时,某学生证明如下:(ⅰ)当
时,左边
,右边
,
原等式成立;(ⅱ)假设
时等式成立,即
,那么当
时,
,即当
时,等式也成立.根据(ⅰ)、(ⅱ)可以判断,等式对任意
都成立.评价该学生的证明情况:______ (选填“正确”或“错误”).
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2019-11-09更新
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2卷引用:沪教版(2020) 选修第一册 领航者 第4章 4.4 第1课时 数学归纳法