Let T=(V,E) be an undirected tree such that |V|=n. Select all that are true. a) |E|=n-1 b) T is acyclic c) T is incident d) T is simple e) T is connected f) there is some node v in V such that degree(v)=1 g) T is symmetric

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A: As e=v-1 e1=v1-1⇒12=v1-1⇒v1=12+1=13v2=3+5v1=3+513=3+65=68e2=v2-1=68-1=67

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