Is $(-1)^{ab} = (-1)^{ba}$ true? => $(-1)^{ab} = ((-1)^a )^b$ is true?
38636
A basic question about exponentiation: when is $a^{xy}=(a^x)^y$?
150320
Why does $a^{b}·a^{c}=a^{b+c}$?
151930
What does it mean by $t=-1$?
146795
Proof If $AB-I$ Invertible then $BA-I$ invertible.
121767
Why $\det(A^{-1}) = 1/\det(A)$?
80648
What's $(-1)^{2/3}\; $?
55094
How to show $i^{-1} = -i$?
129007
Relation between AB and BA
20110
How to prove $(AB)^T=B^T A^T$
102742
order $a$ = 5, $a^3b = ba^3$. show that that $ab = ba$.
123555
Proving that if $ab=e$ then $ba=e$
75480
Matrix Identity $(I-G_1G_2)^{-1}G_1=G_1(I-G_2G_1)^{-1}$?
134075
Inverse of $A^{-1}+B^{-1}$
114346
Why is $a^{-1}$ mod $p$ equal to $a^{p-2}$ mod $p$?
9574
How to show that $\det(AB) =\det(A) \det(B)$?
151332
If $A,B$ have eigenvalues $\pm1$, what can I say about the eigenvalues of $AB,BA$?
106986
Eigenvalues of $AB$ and $BA$