A azureus88 Member Joined Jul 9, 2007 Messages 278 Gender Male HSC 2009 Nov 14, 2008 #1 "show that the chord of contact of tangents from the point (a, -a) to the parabola x^2 = 4ay has length 5a" Can someone confirm whether theres a typo, cause i got 4a as the length. thanks
"show that the chord of contact of tangents from the point (a, -a) to the parabola x^2 = 4ay has length 5a" Can someone confirm whether theres a typo, cause i got 4a as the length. thanks