A circle with centre on the x-axes touches the
line x - 2y - 5√5 = 0 and passes through the point ( 11 / √5, 2 / √5).
a) Find the coordinates of the two possible centres.
Hence find the two possible equations of the circle.
Equations of circle
2011-01-19 2:55 am
回答 (1)
2011-01-19 3:46 am
✔ 最佳答案
As follows:圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_11Jan181945.gif
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