Give an appropriate answer.Using the following graph, find an Euler circuit that begins and ends with vertex B.
A. B ? C ? D ? E ? F ? A ? B ? D ? F ? B
B. B ? C ? D ? E ? F ? A ? B ? C ? D ? B ? F ? D ? B
C. No Euler circuit exists.
D. B ? A ? F ? E ? D ? C ? B
Answer: A
Mathematics
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A. 
= 
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B. 
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f(x)
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