Question
Question: The normals at three points \(P , Q , R\)of the parabola \(y ^ { 2 } = 4 a x\)meet in (h, k), the ce...
The normals at three points P,Q,Rof the parabola y2=4axmeet in (h, k), the centroid of triangle lies on
A
x=0
B
y = 0
C
x=−a
D
y=a
Answer
y = 0
Explanation
Solution
Since the centroid of the triangle formed by the co-normal points lies on the axis of the parabola