$(a^m)^n$ with negative $a$
59818
Why $(-2)^{2.5}$ isn't equal to $((-2)^{25})^{1/10}$?
113628
Where M is a matrix calculate a formula for M^n
5287
Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
83662
Prove that $ a $ divides $1^{a^{n}} + 2^{a^{n}} + ... + (a-1)^{a^{n}}$?
123275
Prove $[A,B^n] = nB^{n-1}[A,B]$
69131
Different proofs of $\,a^n-b^n =(a-b)\sum_{i=0}^{n-1} a^i b^{n-1-i} $?
129647
$A^{-1}$ has integer entries if and only if the ${\rm det}\ (A) =\pm 1$
55266
Prove that $(n+1)^{n-1}<n^n$
29462
Suggestions on how to prove the following equality. $a^{m+n}=a^m a^n$
72402
Summation of natural number set with power of $m$
64262
cubic root of negative numbers
68705
Prove that $A\ge0, B\ge0$ and $A\ge B$ implies $B^{-1}\ge A^{-1}$
142757
Math.pow with negative numbers and non-integer powers
48081
Prove that for all $n \in \mathbb{N}$: $2^{n-1}(a^n + b^n) \ge (a + b)^n$
109224
Accumulation points of $\{ 2^{-n} + 5^{-m} : n,m \geq 1 \}$
118212
Is it true that $A^A\simeq P(A)$?
139659
Find all $n$ with $\!\bmod n\!:\, a\,$ invertible $\Rightarrow a^{-1} \equiv a,\,$ i.e. $a^2\equiv 1$