Which of the following is true for the commutator [A,B]=AB−BA[A, B] = AB - BA[A,B]=AB−BA?
[A,B]=−[B,A][A, B] = -[B, A][A,B]=−[B,A]
[A,B]=[B,A][A, B] = [B, A][A,B]=[B,A]
[A,B]=A2−B2[A, B] = A^2 - B^2[A,B]=A2−B2
[A,B]=0[A, B] = 0[A,B]=0 for all A,BA, BA,B