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Equation of Chord of Contact to the Circle Video Lecture | Mathematics (Maths) for JEE Main & Advanced

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FAQs on Equation of Chord of Contact to the Circle Video Lecture - Mathematics (Maths) for JEE Main & Advanced

1. What is the equation of the chord of contact to a circle?
Ans. The equation of the chord of contact to a circle is given by $T=0$, where $T$ represents the equation of the line joining the points of contact of the chord with the circle.
2. How can the equation of the chord of contact be derived?
Ans. The equation of the chord of contact can be derived by substituting the coordinates of the points of contact into the general equation of a line, $ax + by + c = 0$, and then solving for $a$, $b$, and $c$.
3. What information is needed to determine the equation of the chord of contact to a circle?
Ans. To determine the equation of the chord of contact to a circle, the coordinates of the points of contact or the equation of the circle are required.
4. Can the equation of the chord of contact be used to find the length of the chord?
Ans. Yes, the equation of the chord of contact can be used to find the length of the chord by applying the distance formula between the two points of contact.
5. How can the equation of the chord of contact be used in geometry problems?
Ans. The equation of the chord of contact can be used to find the point of intersection of two chords, determine the equation of tangent lines, and solve various geometric problems involving circles and chords.
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