(9) Show that the parabola y = -x2 and ihe line x-4y- 18 = 0 intersect al right angle al one of their points of intersection (於二個交點之一以直角相交).
詳解 (共 1 筆)
Chia Chung
詳解 #5595165
(1) y =-x2 => y...
(共 178 字,隱藏中)
前往觀看