For conics questions like questions from cambridge ex 3.3, similar triangles can be used instead of ridiculous algebra. Does anyone know where this information is from? Cuz my teacher doesnt really accept it, i want to show the proof or some sorta evidence so i could use it for a test. thnx
PS Can it be used for the HSC?? My guess is yes, since so many past people have done it.
PS Can it be used for the HSC?? My guess is yes, since so many past people have done it.