Question: A biochemistry technician studies protein folding angles, modeling bonds as vectors $\mathbfm = \beginpmatrix x \\ 2 \endpmatrix$ and $\mathbfn = \beginpmatrix 1 \\ -1 \endpmatrix$. Find $x$ such that $\mathbfm$ and $\mathbfn$ are orthogonal. - Abu Waleed Tea