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ABCD is a quadrilateral. E is the point of intersection of the line joining the midpoint of the opposite sides. If O is any point and −−→OA+−−→OB+−−→OC+−−→OD=x−−→OE, then x is equal to

Answer» ABCD is a quadrilateral. E is the point of intersection of the line joining the midpoint of the opposite sides. If O is any point and OA+OB+OC+OD=xOE, then x is equal to


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