Question: Suppose that T 1 and T 2 are different spanning trees of G . Prove that there exist e 1 in E ( T 1

Suppose that T1 and T2 are different spanning trees of G. Prove that there exist e1 in E(T1)\ E(T2)
and e2 in E(T2)\ E(T1) such that (T1+ e2) e1 is a spanning tree of G

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