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A focal chord of the parabola y2=8x is tangent to the circle (x−5)2+y2=3, then the possible value of the twice of square of slope of this chord is |
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Answer» A focal chord of the parabola y2=8x is tangent to the circle (x−5)2+y2=3, then the possible value of the twice of square of slope of this chord is |
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