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y=X^2*arctanx.求y
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y=X^2*arctanx.求y
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y=X^2*arctanx
y'=2x*arctanx+x^2*1/(1+x^2)=2xarctanx+x^2/(1+x^2)
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y'=2x*arctanx+x^2*1/(1+x^2)=2xarctanx+x^2/(1+x^2)
如果不懂,请追问,祝学习愉快!
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