Level:
Project ID:
2010009502
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \(x\in \mathbb{R}\), find the solution set of the following equation.
\[
x^{4} - 81 = 0
\]
\(\left \{-3;3\right \}\)
\(\left \{-\sqrt{3};\sqrt{3}\right \}\)
\(\left \{-9;9\right \}\)
\(\left \{-3;-\sqrt{3};\sqrt{3};3\right \}\)