Chapter 1, Problem 39SP

Refer to Fig. 1-21. In terms of vectors $\stackrel{\to }{A}$ and $\stackrel{\to }{B}$, express the vectors (a) $\stackrel{\to }{E}$, (b) $\stackrel{\to }{D}-\stackrel{\to }{C}$,

and (c) $\stackrel{\to }{E}+\stackrel{\to }{D}-\stackrel{\to }{C}$.

Fig. 1-21