If ABCD is a rhombus whose diagonals cuts at the origin O, then −− – InterviewSolution

1.	If ABCD is a rhombus whose diagonals cuts at the origin O, then −−→OA+−−→OB+−−→OC+−−→OD equals
Answer» If $A B C D$ is a rhombus whose diagonals cuts at the origin $O,$ then $- - \to O A + - - \to O B + - - \to O C + - - \to O D$ equals

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