If D, E, F are respectively the mid points of −−→AB, −−→AC and −−→BC in ΔABC, then −−→BE+−−→AF=

If D, E, F are respectively the mid points of −−→AB, −−→AC

1.	If D, E, F are respectively the mid points of −−→AB, −−→AC and −−→BC in ΔABC, then −−→BE+−−→AF=
Answer» If $D, E, F$ are respectively the mid points of $- - \to A B, - - \to A C$ and $- - \to B C$ in $Δ A B C,$ then $- - \to B E + - - \to A F =$