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X平方+5x+(36/x)+x-1小于等于0求解
人气:447 ℃ 时间:2020-04-30 10:57:36
解答
x^2+5x+(36/x)+x-1�Բ�����x^2-5x+(36/x)+x-1<=0x^2-4x-1+36/x<=0x>0ʱ����Ϊ;x^3-4x^2-x+36<=0,���x<=-2.44271386576023, ����x<0ʱ����Ϊ;x^3-4x^2-x+36>=0,���:-2.44271386576023=
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