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     EduGorilla 
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    Let us consider a family of trajectory y2 = 4ax, where a is a parameter. P, Q and R are three points on it such that normal at Q and R meet at P.

    If tangents drawn at the points P, Q and R taken in pairs, meet at points A, B and C, then  is 

    Options :-

    1. 2
    2. 1
    3. depending on the positions of the points P, Q and R.
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Reply To: Let us consider a family of trajectory y2 = 4ax, where a is a parameter. P, Q and R are three points….
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