Level:
Project ID:
2010009605
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \(x\in \mathbb{R}\),
solve the following algebraic equation.
\[
x^{4} -3x^{2} - 4 = 0
\]
\( \{ -2;2\} \)
\( \{ 2\} \)
\( \{ -2;-1;1;2\} \)
\( \{ -1;2\} \)