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【多选题】
求函数【图片】的导数,如下哪些算式正确A.
等式 两边微分得 ,
B.
令 , 则
C.
方程即 图象是上半圆 , 过点 的半径斜率为 , 切线与半径垂直 , 切线斜率
D.
令 , 则 ,
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