．已知平行四边形\(ABCD\)的一条对角线固定在\(A\)\((3,\)\(-\)\(1)\)，\(C\)\((2,\)\(-\)\(3)\)两点，\(D\)点在直线\(3\)\(x-y+\)\(1\)\(=\)\(0\)上移动，则\(B\)点的轨迹方程为\((\) \()\)--优优班--学霸训练营

．已知平行四边形\(ABCD\)的一条对角线固定在\(A\)\((3,\)\(-\)\(1)\)，\(C\)\((2,\)\(-\)\(3)\)两点，\(D\)点在直线\(3\)\(x-y+\)\(1\)\(=\)\(0\)上移动，则\(B\)点的轨迹方程为\((\) \()\)

A．\(3\) \(x-y-\)\(20\) \(=\)\(0\)

B．\(3\) \(x-y-\)\(10\) \(=\)\(0\)

C．\(3\) \(x-y-\)\(9\) \(=\)\(0\)

D．\(3\) \(x-y-\)\(12\) \(=\)\(0\)

【考点】与直线有关的动点轨迹方程

【分析】请登陆后查看

【解答】请登陆后查看

难度：易

收藏试题篮