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数学
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求下列函数反函数1、y=-x^3,2、y=x/x+2,3、y=x^2+1(x<0)
人气:336 ℃ 时间:2019-11-02 15:38:39
解答
1y=-(三次方根)√(x)
2 y=2x/(1-x)
3 y=-√(x-1)(x>1)
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