D.方程\((x_{2}\)\(-x\)\({\,\!}_{1}\)\()(y-y\)\({\,\!}_{1}\)\()=(y\)\({\,\!}_{2}\)\(-y\)\({\,\!}_{1}\)\()(x-x\)\({\,\!}_{1}\)\()\)表示过任意两点\(P\)\({\,\!}_{1}\)\((x\)\({\,\!}_{1}\),\(y\)\({\,\!}_{1}\)\()\),\(P\)\({\,\!}_{2}\)\((x\)\({\,\!}_{2}\),\(y\)\({\,\!}_{2}\)\()\)的直线 |