Tangent and Normal to a Parabola
Tangent and Normal to a Parabola: Overview
This topic covers concepts such as Shortest Distance between Parabola and a Line, Tangent to a Parabola, Tangent to Standard Parabola in Slope Form, Tangent to Standard Parabola at a Given Point, Point of Contact of a Given Tangent, etc.
Important Questions on Tangent and Normal to a Parabola
The slope of the normal to the parabola passing through the point is

From a point three normal are drawn to the parabola . Then

If two tangents are drawn from the point two tangents are drawn to the parabola . Then, the angle between two tangents is

Consider a parabola , If the normals at points and on the parabola intersect at on the curve then

If two tangents drawn from a point to the parabola are at right angles, then the locus of is

The line is a normal to the parabola at the point

If is a tangent to both the parabolas, and then is equal to

If and are concurrent normals of parabola , then the value of is

The point on the parabola at which the normal is inclined at to the -axis has the coordinates

The equation of tangent with slope to Parabola is ......

If and are concurrent normals of parabola , then the value of is

The equation of the common tangent to the curves and is . The value of is equal to

Tangents are drawn from a point to parabola enclosing an angle of . Then, locus of point will be

Given a parabola if line touches the parabola at point then

The point on the parabola at which the normal is inclined at to the -axis has the coordinates

Find the locus of the point if tangents and are drawn to the parabolas and respectively, such that

The equation of image of parabola about the tangent of parabola at is

The area of the triangle formed by tangents of the parabola at the three points on the parabola having parameter and is

Number of common normals to the circle and the parabola , is

If the line is tangent to the circle and the parabola and point of contact of the tangent with the parabola is , then find the value of .
