圓心的圓與拋物線,求直線距離

👨🏻‍🏫 學術台數學

[匿名]

2010-02-06 7:15 am

The circle centered at A is tangent to the parabola y = x^2 at M and N.
If the radius of the circle AM is 3 units, and O is the origin, what is the distance AO?
A 為圓心的圓與拋物線y = x^2相切於點M和N。若圓形的半徑AM為3 公分，且O原點，那麽距離AO是多少？

更新1:

請附加過程..THX

回答 (3)

用戶9112

2010-02-06 7:50 pm

✔ 最佳答案

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圖片參考：http://img504.imageshack.us/img504/4625/38313757.png

2010-02-06 11:50:16 補充：
http://img504.imageshack.us/img504/4625/38313757.png

2010-02-07 00:31:32 補充：
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六呎將軍

2010-02-06 7:28 pm

nelsonywm2000, pls. post your correct ans.

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So Much

2010-02-06 7:31 am

資料太少了, 做不了

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