A particle’s beginning location is represented by the vector Vector m = LeftAngleBracket 5, 7, negative 1 RightAngleBracket.. After a certain amount of time, the particle’s position vector is Vector n = LeftAngleBracket negative 5, 8, negative 8 RightAngleBracket.. The particle’s ending position is Vector a = LeftAngleBracket negative 3, negative 5, negative 10 RightAngleBracket.. What is the overall displacement vector of the particle?

LeftAngleBracket negative 8, negative 12, negative 9 RightAngleBracket.
LeftAngleBracket negative 10, 1, negative 7 RightAngleBracket.
LeftAngleBracket 10, negative 1, 7 RightAngleBracket.
LeftAngleBracket 8, 12, 9 RightAngleBracket.