An astrophysics researcher models the trajectory of a star near a black hole using vectors. If $\mathbfa = \beginpmatrix 2 \\ -3 \\ 1 \endpmatrix$ and $\mathbfb = \beginpmatrix 1 \\ 4 \\ -2 \endpmatrix$, find a vector $\mathbfc$ orthogonal to both $\mathbfa$ and $\mathbfb$. - Portal da Acústica