Parabola 2 Question 21
21. Consider the parabola . Let be the area of the triangle formed by the end points of its latusrectum and the point on the parabola and be the area of the triangle formed by drawing tangents at and at the end points of the latusrectum. Then, is
(2011)
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Solution:
- As, we know area of
formed by three points on parabola is twice the area of formed by corresponding tangents i.e. area of area of .
Topic 3 Equation of Normal and Properties