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数学
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函数f(x)=(√1-x²)/(x+3)-m有零点,求m的取值范围 (求过程~
人气:404 ℃ 时间:2020-07-17 11:09:33
解答
f(x)=0
得m=√(1-x^2)/(x+3)
因为1-x^2>=0,得-1=
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