If `vec(u), vec(v)` and `vec(w)` are non-coplanar vectors and p,q are real numbers, then the equality `[3vec(u)pvec(v)pvec(w)]-[pvec(v)vec(w)qvec(u)]-[2vec(w)qvec(v)qvec(u)]=0` holds for

Options

A. exactly one value of (p,q) .
B. exactly two values of (p,q) .
C. more than two but not all values of (p,q) .
D. all values of (p,q) .

Answer

A