A) \[(a+b)\]
B) \[(a-b)\]
C) 2 a
D) 2b
Correct Answer: B
Solution :
\[\text{OABCDE}\]is a regular hexagon. Let \[\overline{\text{OA}}=\bar{a}\]and \[AB=b,\]join OB OC, we haveYou need to login to perform this action.
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