Let G be a group of even order. prove that there is at least one element of order 2 in G.

Описание: In this video we will discuss two Examples 13 and 14 of chapter 2 Groups in Mathematical Method....
Example 13:
Let G be a group of even order. prove that there is at least one element of order 2 in G.
Example 14:
Let G be a group and x be an element of odd order in G. Then there exists an element y in G such that y^2 = x.
We prove these two theorem in very simple way......

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