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Chord Joining t1 & t2 - Parabola Video Lecture - JEE

FAQs on Chord Joining t1 & t2 - Parabola

1. What is the equation of the chord joining two points t1 and t2 on a parabola?
Ans. The equation of the chord joining two points t1(x1, y1) and t2(x2, y2) on a parabola y^2 = 4ax is given by y = mx + c, where m = (y2 - y1)/(x2 - x1) and c = (x1y2 - x2y1)/(x1 - x2).
2. How do you find the midpoint of the chord joining two points on a parabola?
Ans. To find the midpoint of the chord joining two points t1 and t2 on a parabola, use the formula (x1 + x2)/2, (y1 + y2)/2.
3. Can the chord joining two points on a parabola be parallel to the axis of the parabola?
Ans. No, the chord joining two points on a parabola cannot be parallel to the axis of the parabola as it will intersect the parabola at more than two points.
4. How can you determine if the chord joining two points on a parabola is a tangent to the parabola?
Ans. If the chord joining two points on a parabola is a tangent to the parabola, then the points t1 and t2 will be equidistant from the vertex of the parabola.
5. Is the equation of the chord joining two points on a parabola dependent on the orientation of the parabola?
Ans. No, the equation of the chord joining two points on a parabola does not depend on the orientation of the parabola.
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