The tangents to the parabola `y^2=4ax` at `P(at_1^2,2at_1)`, and `Q(at_2^2,2at_2)`, intersec...

40 views · Published 11 October 2018 · 7:43 · Indexed 29 September 2026

Channel: Doubtnut · 2018 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW    The tangents to the parabola `y^2=4ax` at `P(at_1^2,2at_1)`, and `Q(at_2^2,2at_2)`, intersect at R. Prove that the area of the triangle PQR is `1/2a^2(t_1-t_2)^3`

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