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z=x^2+y^2-1上求一点,使之切面平行于4x+2y-z-6=0并求切线+法线
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咨询记录 · 回答于2022-06-15
z=x^2+y^2-1上求一点,使之切面平行于4x+2y-z-6=0并求切线+法线
哈喽,您好呀
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z上的一点是随便取的吗
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是的
原题是这样
好的,稍微等一下哈
嗯嗯
【问一问自定义消息】
你看看能不能理解哈
好的好的谢谢老师
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不客气哈
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