In an octagon ABCDEFGH of equal sides, what is the sum of −−→AB+−−→AC+−−→AD+−−→AE+−−→AF+−−→AG+−−→AH if −−→AO=2^i+3^j−4^k ?

In an octagon ABCDEFGH of equal sides, what is the sum of −−→AB+

1.	In an octagon ABCDEFGH of equal sides, what is the sum of −−→AB+−−→AC+−−→AD+−−→AE+−−→AF+−−→AG+−−→AH if −−→AO=2^i+3^j−4^k ?
Answer» In an octagon $A B C D E F G H$ of equal sides, what is the sum of $- - \to A B + - - \to A C + - - \to A D + - - \to A E + - - \to A F + - - \to A G + - - \to A H$ if $- - \to A O = 2^i + 3^j - 4^k ?$