The medians of the triangle ABC intersect at the point O. Find the sum of the vectors OA, OB and OC.
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Step-by-step explanation:
i have no idea friend ok
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OA + OB + OC
=(OD + DA) + (OB + OC)
=OA+OD+OD+DB+OC
=O - OC + OC (as D is a mid-point of AB)
O as OC = -2OD
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