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曲线渐近

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青青子衿 posted 2013-12-21 09:25 |Read mode
当研究两曲线渐近时,用什么来衡量两曲线渐近?
如果两曲线一开始是疏远的,之后开始渐近,如何确定它们开始渐近的渐近点,或如何确定它们的疏远点?

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hbghlyj posted 2023-2-18 22:37
例如 $x^3+y^3-3xy=0$ 渐近线为 $x+y+1=0$

$y=x^2+2x+3$ 为 $y={x^3+2x^2+3x+4\over x}$ 的渐近抛物线

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