已知向量AB=(6,1),向量BC=(X,Y),向量CD=(-2,-3)(1)若向量BC平行向量DA,向量AC垂直向量BD,求X、Y的值(2)求四边形ACDB的面积
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![已知向量AB=(6,1),向量BC=(X,Y),向量CD=(-2,-3)(1)若向量BC平行向量DA,向量AC垂直向量BD,求X、Y的值(2)求四边形ACDB的面积](/uploads/image/z/7266350-38-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8FAB%3D%EF%BC%886%2C1%EF%BC%89%2C%E5%90%91%E9%87%8FBC%3D%EF%BC%88X%2CY%EF%BC%89%2C%E5%90%91%E9%87%8FCD%3D%EF%BC%88-2%2C-3%EF%BC%89%EF%BC%881%EF%BC%89%E8%8B%A5%E5%90%91%E9%87%8FBC%E5%B9%B3%E8%A1%8C%E5%90%91%E9%87%8FDA%2C%E5%90%91%E9%87%8FAC%E5%9E%82%E7%9B%B4%E5%90%91%E9%87%8FBD%2C%E6%B1%82X%E3%80%81Y%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E6%B1%82%E5%9B%9B%E8%BE%B9%E5%BD%A2ACDB%E7%9A%84%E9%9D%A2%E7%A7%AF)
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