Question 1201c

Vectors I: Basics, Dot and Cross Products

Parallel Vectors

Question

Find a vector

{\mathbf{a}}

that is parallel to

\mathbf{b} = \begin{pmatrix} - 2 \\ 1 \\ - 4 \end{pmatrix}

such that

{\mathbf{a}\neq \mathbf{b}.}

{\mathbf{a}= }

{\Biggl(}

{\Biggr)}