$i^2 = (-i)^2$ apparently contradiction
100926
Incoherence using Euler's formula
77764
Is "$a + 0i$" in every way equal to just "$a$"?
158335
Why is this $0 = 1$ proof wrong?
100968
Why is $|e^{i \lambda z}| |e^{- \lambda y}|= |e^{- \lambda y}|$ here?
107390
Why is (-1)(-1) = 1?
74920
Prove that the equation $x^2-y^2 = 2002$ has no integer solution
102138
Why does $\sqrt{x^2}$ seem to equal $x$ and not $|x|$ when you multiply the exponents?
33402
What is wrong with this funny proof that 2 = 4 using infinite exponentiation?
13899
Proof that $-v = (-1)*v$
116283
How to properly interpret a seemingly contradictory result in Mathematica?
6650
Why $\sqrt{-1 \times -1} \neq \sqrt{-1}^2$?
19628
What is wrong with this fake proof $e^i = 1$?
154133
Flawed proof by induction that $a^{n-1}=1$
59653
$x^2-y^2=2s$, s cannot be an odd integer
1002
Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)
43834
Simple Complex Number Problem: $1 = -1$
80004
Why is $1/i$ equal to $-i$?