In △OAB, if −−→OA=→a,−−→OB=→b,L is mid point of −−→OA and M is a point on −−→OB such that −−→OM:−−→MB=2:1. If P is the mid point of −−→LM, then −−→AP=
In a triangle OAC, if B is the mid-point of side AC and →OA=→a,→OB=→b, then what is →OC ?