Level:
Project ID:
9000022801
Accepted:
1
Clonable:
0
Easy:
1
Find the domain of the expression.
\[
\sqrt{x^{2 } + x - 2}
\]
\(\left (-\infty ,-2\right ] \cup \left [ 1,\infty \right )\)
\(\left [ -2,1\right ] \)
\(\left (-2,1\right )\)
\(\left (-\infty ,-2\right )\cup \left (1,\infty \right )\)