The equation of a circle is given by C:x^2+y^2+4x+8y-5=0.
a) Show that P(2,-1) lies on C.
b) Find the equation of a circle touching C internally at P and the radius 2 units.
F.5 Locus
2008-09-13 1:44 am
回答 (1)
2008-09-13 4:01 am
✔ 最佳答案
The answer is as follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080912_mat_2.jpg?t=1221220847
收錄日期: 2021-04-25 14:30:44
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