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The normal to the parabola y2=8x at the point P(2,4) meets it again at the point Q(l,m). If the normal to the parabola at Q meets it again at R(α,β), then the value of 9α+6β+l9+m6 is equal to

Answer» The normal to the parabola y2=8x at the point P(2,4) meets it again at the point Q(l,m). If the normal to the parabola at Q meets it again at R(α,β), then the value of 9α+6β+l9+m6 is equal to


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