Where is my mistake ?$ (-1)^3=-1 \to \sqrt[3]{-1}=-1 $
6721
math fallacy problem: $-1= (-1)^3 = (-1)^{6/2} = \sqrt{(-1)^6}= 1$?
5526
Prove that $ℤ[i]^*= \{1,-1,i,-i\}$
17930
Please explain this step in proving the square root of 3 is irrational
134075
Inverse of $A^{-1}+B^{-1}$
69309
How do I simplify and evaluate the limit of $(\sqrt x - 1)/(\sqrt[3] x - 1)$ as $x\to 1$?
136297
Evaluate $\lim_{x \to 1} \frac{\sqrt[3]{x} -1}{\sqrt{x} -1}$
154829
How to solve $y'' + y = y^{-3}$
18911
Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)
13363
Why does an argument similiar to 0.999...=1 show 999...=-1?
61914
Using conjugates to find a limit with a cubic root: $\lim_{h\to 0}\frac{\sqrt[3]{h+1}-1}{h}$
129564
Show that $A$ is an invertible matrix if $\left(A+I\right)^3=0$ and find $A^{-1}$
151930
What does it mean by $t=-1$?
147528
Where's the error in this $2=1$ fake proof?
69172
$y'=$ ${-x+\sqrt{(x^2+4y)}}\over 2$ , $y(2)=-1$
87848
Formal proof for $(-1) \times (-1) = 1$
34942
solving $x^3-2y^3=1$ using cubic number field
31485
Three negative and three positive $1$s in a serie