Why does showing $(-1/2 + i\sqrt{3}/2)^3 = 1$ tell us that $(-1/2 - i\sqrt{3}/2)^3 = 1$?
70203
If an polynomial has a complex root, is it necessary that its conjugate is also a root?
5981
For which values of $a$ does $a-2 \mid a^3+4$
54260
Int division: Why is the result of 1/3 == 0?
120085
Compute $\int \frac{-3}{2x^2-x-1} dx$
70625
Prove By Induction $1 + 1/2 + 1/3 + ... + 1/(2^n) ≥ 1 + n/2$
43834
Simple Complex Number Problem: $1 = -1$
17930
Please explain this step in proving the square root of 3 is irrational
129171
Prove that $1+\frac{1}{3}+\frac{1\cdot 3}{3\cdot 6}+\frac{1\cdot 3\cdot 5}{3\cdot 6 \cdot 9}+.........=\sqrt{3}$
121767
Why $\det(A^{-1}) = 1/\det(A)$?
114346
Why is $a^{-1}$ mod $p$ equal to $a^{p-2}$ mod $p$?
96805
Why is the Absolute Value of $3-π$ equal to $π - 3$
30404
Is $\mathbb{Z}/3\otimes \mathbb{Z}[1/2]=\mathbb{Z}/3$?
151930
What does it mean by $t=-1$?
55094
How to show $i^{-1} = -i$?
70660
Why is $\sqrt{8}/2$ equal to $\sqrt{2}$?
58133
${a^2}{\mid}({b^3} + 1)\;$and$\;{b^2}{\mid}({a^3} + 1)$
127537
Is there any mathematical or physical situations that $1+2+3+\ldots\infty=-\frac{1}{12}$ shows itself?