How can I find $(x,y)$ so that $x^y=y^x$, $x\neq y$?
5595
$x^y = y^x$ for integers $x$ and $y$
87304
Solving for $x$ : $a^x+b^x=c$
142313
Find all natural numbers $x,y$ such that $3^x=2y^2+1$.
136185
How $a^{\log_b x} = x^{\log_b a}$?
155757
Number theory: $x^y + 1 = y^x$
51769
If $x,y,z\in[-1,1]$ and $1+2xyz\geq x^2+y^2+z^2$, then can we infer $1+2(xyz)^n\geq x^{2n}+y^{2n}+z^{2n}$?
70692
Solve $x^2+2=y^3$ using infinite descent?
18019
pow (x,y) in Java
34693
Prove $E^{\mathbb Q}[Y]=E^{\mathbb P}[XY]$ if $E^{\mathbb P}[X]=\mathbb P(X>0)=1$ and $ \mathbb Q(A)=E^{\mathbb Q}[X1_A] $
27911
How can I prove that $xy\leq x^2+y^2$?
128764
How does $y[x] = a x^r$ when $y'[x] = \frac{(r y[x])}{x}$ and $y[1] = a$
146753
Find $x$ such that $(x^2 + 4x + 3)^x + (2x + 4)^x = (x^2 + 4x + 5)^x$
154829
How to solve $y'' + y = y^{-3}$
147892
Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$
28286
About finding the function such that $f(xy)=f(x)f(y)-f(x+y)+1$
28330
Finding x in $a^{x} \bmod  b = c$ when values a,b, and c are known?
47809
If $x,y\in\mathbb Z$, solve $x^2+xy+y^2=x^2y^2$.