A) \[\overrightarrow{AC}\]
B) \[\overrightarrow{AD}\]
C) \[\overrightarrow{BC}\]
D) \[\overrightarrow{BD}\]
Correct Answer: C
Solution :
\[\overrightarrow{AE}+\overrightarrow{ED}+\overrightarrow{DC}+\overrightarrow{AB}=\overrightarrow{AD}+\overrightarrow{DC}+\overrightarrow{AB}\]\[=\overrightarrow{AC}+\overrightarrow{AB}.\] Obviously, if \[\overrightarrow{BC}\] is added to this system, then it will be \[\overrightarrow{AC}+\overrightarrow{AB}+\overrightarrow{BC}=\overrightarrow{AC}+\overrightarrow{AC}=2\overrightarrow{AC}.\]You need to login to perform this action.
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