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设是奇函数,若曲线的一条切线的斜率是,则切点的横坐标为 ( ) A. B.— C...

6ec8aac122bd4f6e是奇函数,若曲线6ec8aac122bd4f6e的一条切线的斜率是6ec8aac122bd4f6e,则切点的横坐标为                                                 (    )

       A.6ec8aac122bd4f6e               B.—6ec8aac122bd4f6e               C.6ec8aac122bd4f6e                  D.6ec8aac122bd4f6e

 

D 【解析】略
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