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#22155cf4-7ada-4999-ad1c-5fd161a4fc47简单填空题直线的方程直线与圆+圆锥曲线

20.下面说法中错误的是((  )) E.经过任意两个不同的点P1(x1P_{1}(x_{1}y1)y_{1})P2(x2P_{2}(x_{2}y2)y_{2})的直线都可以用方程(yy1)(x2x1)=(xx1)(y2y1)(y-y_{1})(x_{2}-x_{1})=(x-x_{1})(y_{2}-y_{1})表示