Why is $(-1)^3=(-1)^{6/2}=((-1)^6)^{1/2}=1^{1/2}=1$ wrong?
6721
math fallacy problem: $-1= (-1)^3 = (-1)^{6/2} = \sqrt{(-1)^6}= 1$?
87848
Formal proof for $(-1) \times (-1) = 1$
22397
Is 0.9999... equal to -1?
151930
What does it mean by $t=-1$?
140086
Does $3-4+1$ equal $0$ or $-2$.. or maybe $2$?
110826
prove that : $ i = \sqrt {-1}\ $
114346
Why is $a^{-1}$ mod $p$ equal to $a^{p-2}$ mod $p$?
55094
How to show $i^{-1} = -i$?
14633
What's the thing with $\sqrt{-1} = i$
54260
Int division: Why is the result of 1/3 == 0?
82097
If $A \succeq B$, is it true that $B^{-1} \succeq A^{-1}$?
107390
Why is (-1)(-1) = 1?
80004
Why is $1/i$ equal to $-i$?
155635
Why is the math for negative exponents so?
118018
Show $ (n+1)^{1/3}-n^{1/3}=O\left(n^{-2/3}\right) $
154001
$(g\circ f)^{-1}=f^{-1}\circ g^{-1}$
91044
Why is a number that is divisible by $2$ and $3$, also divisible by $6$?