Question:
Axis of a parabola lies along $x$-axis. If its vertex and focus are at distances 2 and 4 respectively from the origin, on the positive $x$-axis then which of the following points does not lie on it ?
Correct Option: 3,
Solution:
equation of parabola is
$y^{2}=8(x-2)$
$(8,6)$ does not lie on parabola.