parabola-chord of contact
2011-11-06 10:52 pm
The chord of contact of two tangents drawn from an external point P to the parabola x^2=8y has equation x+2y-3=0. Find the coordinates of p
回答 (1)
2011-11-07 2:54 am
收錄日期: 2021-04-24 10:08:29
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