If a focal chord of the parabola $y^2=4 x$ makes an angle $45^{\circ}$ with positive $\mathrm{X}$-axis, then…
If a focal chord of the parabola $y^2=4 x$ makes an angle $45^{\circ}$ with positive $\mathrm{X}$-axis, then the slopes of the normals drawn at the ends of the focal chord will satisfy the equation