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Let t1 and t2 be the parameters of 2 points on a parabola. What is the value of t1t2 if tangents at these points are at right angle to each other?___

Answer» Let t1 and t2 be the parameters of 2 points on a parabola. What is the value of t1t2 if tangents at these points are at right angle to each other?

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