R redpint New Member Joined Sep 16, 2012 Messages 18 Gender Female HSC 2013 Nov 3, 2012 #1 Hey guys, How would you do this question? Find the equation of the focal chord through Q. Q(2aq, aq^2) and lies on parabola x^2=4ay Thanks!
Hey guys, How would you do this question? Find the equation of the focal chord through Q. Q(2aq, aq^2) and lies on parabola x^2=4ay Thanks!
A Aykay Member Joined Mar 13, 2011 Messages 114 Location Sydney Gender Male HSC 2012 Uni Grad 2018 Nov 3, 2012 #2 The focus is (0,a). So find the line which foes through Q and (0,a) and that's your focal chord.
