Question

The normal chord of a parabola $y^2=4ax$ at the point $P\left(x_{1^{\prime }}{x}_1\right)$ subtends a angle at the

• A. focus
• B. vertex
• C. end of the latus rectum
• D. none of these

Answer 1

The correct option is A focus

The normal chord of a parabola $y^2=4ax$ at the point $P(x_1,x_2)$ subtends an angle at the focus.