KEAM 2012 Math Paper
© examsiri.com
Question : 83 of 120
Marks:
+1,
-0
If the ends of a focal chord of the parabola y 2 = 8 x ( x 1 , y 1 ) ( x 2 , y 2 ) , x 1 x 2 + y 1 y 2
Go to Question: