blacktown_
Member
- Joined
- Apr 30, 2012
- Messages
- 65
- Gender
- Male
- HSC
- 2013
find the length of the focal chord that meets the parabola at (2, -1/3)
-the equation of the parabola is x^2=-12y
-the directrix is y=3
please show the working out of this as well as the answer!
i have tried doing this question many times but failed!
-the equation of the parabola is x^2=-12y
-the directrix is y=3
please show the working out of this as well as the answer!
i have tried doing this question many times but failed!