高中数学代数与函数一其他练习题79
题目内容

某人进行了如下的“三段论”推理:如果 http://picflow.koolearn.com/upload/papers/20140824/20140824024249543605.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824024249559372.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249574447.png的极值点,因为函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249590562.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824024249605365.png处的导数值 http://picflow.koolearn.com/upload/papers/20140824/20140824024249621525.png,所以 http://picflow.koolearn.com/upload/papers/20140824/20140824024249605365.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249590562.png的极值点.你认为以上推理的 (    )

2021-07-15

A.大前提错误

B.小前提错误

C.推理形式错误

D.结论正确

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