(c)
Find a vector of length 5 in the direction opposite that of .
We say that two vectors $\mathbf{v}$ and $\mathbf{w}$ in space are parallel if there is a scalar $c$ such that $\mathbf{v} = c\mathbf{w}$.
Find a vector of length 5 in the direction opposite that of .
Discuss theoretical concepts, mathematical formulas, and architectural foundations.