ParabolaHard

Question

The equation of a tangent to the parabola y2 = 8x is y = x + 2. The point on this line from which the other tangent to the parabola is perpendicular to the given tangent is

Options

A.(-1, 1)
B.(0, 2)
C.(2, 4)
D.(-2, 0)

Solution

Point must be on the directrix of the parabola.
Hence the point is (-2, 0).

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