The equation of a tangent to the parabola The point on this line from which the other tangent to the parabola is perpendicular to the given tangent is Option 1) (2, 4) Option 2) (–2, 0) Option 3) (–1, 1) Option 4) (0, 2)

As we learnt in

Equation of tangent -

- wherein

Tengent to is slope form.

Tangent is

Slope of tangent,

When two lines are perpendicular to each other,

Let the other tangent be

Now we have    touching

So,

Point is (-2, 0)

Option 1)

(2, 4)

This option is incorrect.

Option 2)

(–2, 0)

This option is correct.

Option 3)

(–1, 1)

This option is incorrect.

Option 4)

(0, 2)

This option is incorrect.

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