1.

A tangent is drawn at the point P(α,β) on the parabola y2=4ax. This tangent meets a second parabola y2=4a(x+k) at A and B, what is the midpoint of AB?

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A tangent is drawn at the point P(α,β) on the parabola y2=4ax. This tangent meets a second parabola y2=4a(x+k) at A and B, what is the midpoint of AB?





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