题目
Problem
A curve which passes through has equation . It is given that .
(a) Find the equation of the curve.
[4]
The tangent to the curve at intersects the curve again at one other point, .
(b) Show that the -coordinate of satisfies the equation .
[4]
(c) Verify that satisfies this equation and hence find the -coordinate of .
[2]
题目中文翻译
一条经过 的曲线方程为 。已知 。
(a) 求该曲线的方程。
[4]
曲线在 处的切线再次与曲线相交于另一个点 。
(b) 证明 的 坐标满足方程 。
[4]
(c) 验证 满足该方程,并由此求 的 坐标。
[2]