If \( P, \mathrm{Q} \) and \( R \) are three points on the parabola
\( y^{2}=4 a x \) at which t.... VIDEO
If \( P, \mathrm{Q} \) and \( R \) are three points on the parabolahttps://bit.ly/YTAI_PWAP https://www.pw.live
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\begin{tabular}{|l|l|l|l|}
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