If `vec(u),vec(v)`, and `vec(w)` are three non-coplanar vectors, then `(vec(u)+vec(v)-vec(w))*(vec(u)-vec(v))xx(vec(v)-vec(w))` equals

Options

A. `0`
B. `vec(u)*vec(v)xxvec(w)`
C. `vec(u)*vec(w)xxvec(v)`
D. `3vec(v)*vec(v)xxvec(w)`

Answer

B