SubArea: Analytical Plane GeometryLevel: AProject ID: 9000106802Source Problem: 2010014601Accepted: 1Clonable: 1Easy: 0Find the normal vector of the line passing through the point \(A = [3,-1]\) and \(B = [2,2]\).\((3,1)\)\((-1,3)\)\((1,-3)\)\((1,3)\)