Question 1202d

Vectors I: Basics, Dot and Cross Products

Vector (Cross) Products

Question

Find a vector perpendicular to both

{\begin{pmatrix} 4 \\ 1 \\ - 2 \end{pmatrix}}

and

{\begin{pmatrix} 2 \\ 1 \\ - 1 \end{pmatrix}}

Your answer:

{\Biggl(}

{\Biggr)}