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<b>Statement I: </b>The lines from the v...

Statement I: The lines from the vertex to the two extremities of a focal chord of the parabola `y^2=4ax` are perpendicular to each other.
Statement II: If the extremities of focal chord of a parabola are `(at_1^2,2at_1)` and `(at_2^2,2at_2)`, then `t_1t_2=-1`.

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