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单选题 求函数的导数,y′ =( )

A. x/(a^2 - x^2)^(3/2)

B. x/(a^2+x^2)^(3/2)

C. x/(a^2 - x^2)^(2/3)

D. x/(x^2 - a^2)^(3/2)

大学数学实验课程封面

学科：大学数学实验

时间：2026-04-25 01:13:05

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