What is the difference between $-1^2$ and $(-1)^2$?
88312
What is the accepted syntax for a negative number with an exponent?
44843
What is the difference between $|0\rangle $ and $0$?
71767
What is the difference between $\Bbb{R^n}\times\Bbb{R^m}$ and $\Bbb{R^{m+n}}$?
154001
$(g\circ f)^{-1}=f^{-1}\circ g^{-1}$
57967
Difference between $\mathbb C$ and $\mathbb R^2$
158862
Show that $a(-1) = (-1)a = -a $.
69299
Why do these two multiplication operations give different results?
81875
why is $\sqrt{-1} = i$ and not $\pm i$?
3712
Why $\sqrt{-1 \cdot {-1}} \neq \sqrt{-1}^2$?
112658
Difference between $\sum_{i=1}^{k}{\frac{s_i}{kn_i}}$ and $\frac{\sum_{i=1}^{k}{s_i}}{\sum_{i=1}^{k}{n_i}}$
15821
$\ln(x^2)$ vs $2\ln x$
6128
If $a \cdot a = 1$ then $a = 1$ or $a = -1$
34430
Why does $(\frac{p-1}{2}!)^2 = (-1)^{\frac{p+1}{2}}$ mod $p$?
55094
How to show $i^{-1} = -i$?
14633
What's the thing with $\sqrt{-1} = i$
155635
Why is the math for negative exponents so?
121767
Why $\det(A^{-1}) = 1/\det(A)$?