Locus of the point of intersection of the tangents which meet at right angles is called.

Directrix

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Director circle

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Auxiliary circle

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None of these

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Solution

The correct option is B
Director circle

The above given statement is the definition of director circle. The equation of director circle for $\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1 i s x^{2} + y^{2} = a^{2} + b^{2}$ .

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Similar questions

Locus of the point of intersection of the tangents which meet at right angles is called.

Which of the following statements is/are correct?

1. The locus of the point of intersection of two perpendicular tangents is called director circle of the given circle.

2. The director circle of a circle is concentric circle.

3. The radius of director circle of a circle is equal to the radius of original circle.C

M P

Q

P

Q

4 x^{2} + 25 y^{2} = 100

x^{2} + y^{2} = 29

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