Ptt 大爆卦 | 斜率m - 前往 http://www.symoe.com/cht/1223236-How-to-find-the-value-range-of-the-slope-of-a-straight-line-For-example,-find-the-value-range-of-the

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並前往http://www.symoe.com/cht/1223236-How-to-find-the-value-range-of-the-slope-of-a-straight-line-For-example,-find-the-value-range-of-the

怎麼求直線斜率的取值範圍.例求直線mX-（m^2+1）Y=4m的 ...

怎麼求直線斜率的取值範圍.例求直線mX-（m^2+1）Y=4m的斜率取值範圍mX-（m^2+1）Y=4m的斜率取值範圍. k=m/（m²；+1）易知，恒有-1/2≤m/（m²；+1）≤1/2.

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