Level:
Project ID:
1003029001
Source Problem:
Accepted:
1
Clonable:
1
Easy:
1
Find the solution set of the inequality.
\[ \left(x^2+1\right)\left(x^2+3\right)\geq0 \]
\( \mathbb{R} \)
\( (-\infty;-1]\cup[1;\infty) \)
\( (-\infty;-1)\cup(1;\infty) \)
\( (-\infty;-\sqrt3]\cup[\sqrt3;\infty) \)
\( \emptyset \)