Multiplying two radicals with negatives, simple algebra?
3712
Why $\sqrt{-1 \cdot {-1}} \neq \sqrt{-1}^2$?
49318
Negative sign in rotation operator again
24499
Finding $(a, b, c)$ with $ab-c$, $bc-a$, and $ca-b$ being powers of $2$
38705
Evaluating $\sqrt{1 + \sqrt{2 + \sqrt{4 + \sqrt{8 + \ldots}}}}$
149675
Simplifying $\sqrt[4]{161-72 \sqrt{5}}$
142673
Evaluate $\tan^{2}(20^{\circ}) + \tan^{2}(40^{\circ}) + \tan^{2}(80^{\circ})$
50875
How to reduce expressions with complex coefficients in the form of a+0.*I
83718
How to transform negative values to logarithms?
50615
Expressing a Non Negative Integer as Sums of Two Squares
14515
Algebra struggles: 2 problems in 1
43683
Finding Inverse of 2 (mod m)
152870
Near integers in powers of binomials with radicals
47624
Modulo operation with negative numbers
120895
Converting complex number raised to a power to polar form
650
Modulus operation with negatives values - weird thing?
114011
Algebra - Solving for three unknowns.
4140
Fermat's Last Theorem with negative exponent