$\displaystyle 3^x+4^x=5^x$
63505
Proving that $ 2 $ is the only real solution of $ 3^x+4^x=5^x $
20477
Prove that $\gcd(3^n-2,2^n-3)=\gcd(5,2^n-3)$
141371
Prove that $\alpha^n+\beta^n+\gamma^n \equiv 4^n+5^n+(-6)^n \pmod{17}$
82083
Solving $(z+1)^5 = z^5$
120795
Showing that $\sin^2x\cdot\sin^22x\cdot\sin^24x\cdot\sin^28x\cdots\sin^22^nx\leq\frac{3^n}{4^n}$
78190
How to prove that for all natural numbers, $4^n > n^3$?
74143
Simplifying and evaluating $\cot 70^\circ+4\cos 70^\circ$
131108
Can $3p^4-3p^2+1$ be square number?
3500
Compositeness of $n^4+4^n$
151179
Finding the value of $\sum k/3^k$
30620
For which natural n is $3^n+5^n$ divisible by $3^{n-1}+5^{n-1}$?
126018
Show that $ e^{A+B}=e^A e^B$
144067
calculating $a^b \!\mod c$
20705
On equations $m^2+1=5^n$
55100
The positive integer solutions for $2^a+3^b=5^c$
116054
The number $(3+\sqrt{5})^n+(3-\sqrt{5})^n$ is an integer
105117
$1 + \frac{1}{3}\frac{1}{4} + \frac{1}{5}\frac{1}{4^2} + \frac{1}{7}\frac{1}{4^3} + ..........$