Focus on parabola

Geometry Level 3

If a focal chord of parabola y 2 = 4 x y^{2}=4x is inclined at 45 degrees from positive x x -axis, then find the slope of normal drawn at the ends of focal chord will satisfy the equation.

Take m m as the slope.

m 2 − 1 = 0 m^{2}-1=0 m 2 − 2 m − 1 = 0 m^{2}-2m-1=0 m 2 + 2 m − 1 = 0 m^{2}+2m-1=0 None of these m 2 + 2 m + 1 = 0 m^{2}+2m+1=0

Prince Loomba by Prince Loomba , 21, India

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