The commutator [a, b] of elements a and b in a group (J is defined by [a, b] =
Chapter 54, Problem 54.9(choose chapter or problem)
The commutator [a, b] of elements a and b in a group (J is defined by [a, b] = a-Ib-1ab.Prove that the subgroup generated by the set of all commutators forms a normal subgroup ofG. This group is called the commutator subgroup or derived group of G, and is denoted by[G, G] orG' orGI.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer