Feedback on my answer for $X^n + Y^n = Z^n $
32771
The equation $X^{n} + Y^{n} = Z^{n}$ , where $ n \geq 3$ is a natural number, has no solutions at all where $X,Y,Z$ are intergers.
116223
Show that the angles satisfy $x+y=z$
1379
Summation of $n^2x^n$ terms
49209
Prove $(x+y)(y+z)(x+z)≤\frac8{27}(x+y+z)^3$
82742
Proving that ${x +y+n- 1 \choose n}= \sum_{k=0}^n{x+n-k-1 \choose n-k}{y+k-1 \choose k} $
71358
A very interesting question: intersection point of $x^y=y^x$
53725
Factor $(x+y)^4+x^4+y^4$
66210
Prove that $z^n + 1/{z^n}$ is a rational number
65000
prove that $x^2 + y^2 = z^4$ has infinitely many solutions with $(x,y,z)=1$
94700
Integer solutions for $x^3+2=y^2$?
69131
Different proofs of $\,a^n-b^n =(a-b)\sum_{i=0}^{n-1} a^i b^{n-1-i} $?
13572
$x^y+y^x>1$ for all $(x, y)\in \mathbb{R_+^2}$
25419
If $n\geq m$ then $(x^m+y^m)^{1/m} \ge (x^n+y^n)^{1/n}$
152167
Prove that if $x,y,z$ are integers such that $x^2+y^2=z^2$, then $xyz \equiv o \pmod{60}$.
24307
Is $x^x=y$ solvable for $x$?
123698
Can $2^k + 2^j$ be expressed as $2^n$?
114812
Let $p(z)=z^n+a_{n-1}z^{n-1}+a_{n-2}z^{n-2}+...+a_0$ be a complex polynomial satisfying $|p(z)| \leq 1$ for $|z|\leq 1$, then prove that $p(z)=z^n$