Why is $i^{4/3}$ not equal to 1?
6721
math fallacy problem: $-1= (-1)^3 = (-1)^{6/2} = \sqrt{(-1)^6}= 1$?
33866
Show that $n$ does not divide $2^n - 1$ where $n$ is an integer greater than $1$?
150320
Why does $a^{b}·a^{c}=a^{b+c}$?
138481
$f(x)=x/1$ is not injective?
14633
What's the thing with $\sqrt{-1} = i$
101320
How to tell $i$ from $-i$?
77764
Is "$a + 0i$" in every way equal to just "$a$"?
29739
How can $\frac{x^3-4x^2+4x}{x^2-4}$ be both $0$ and "undefined" when $x = 2$?
18546
Geometric intuition for $\pi /4 = 1 - 1/3 + 1/5 - \cdots$?
41779
Is $x/x$ equal to $1$
117167
$3^{n+1}$ divides $2^{3^n}+1$
27969
Why does $\frac{1}{x} < 4$ have two answers?
55437
When does $2^{n}$ divide $3^{n}-1$
95449
What is the square root of "$i$"?
148647
If $\dfrac{4x^2-1}{4x^2-y^2}$ is an integer, then it is $1$
77486
What is the value of $i^i$?
97890
$\{1,1\}=\{1\}$, origin of this convention