Use words to describe solution process.
Use math symbol editor like LateX, please no stuff like <=.
Here’s the problem.
Here’s a hint
I’ve attached some background information below.
3. Let d1,d2...dn be .... prove that d1...dn are degrees of the vertices. (see attachment for full question)
This solution is comprised of a detailed explanation to prove that d1...dn are degrees of the vertices.