Cho hàm số \(f\left( x \right) = \left\{ \begin{array}{l} \frac{{2\sqrt {x + 2} - 3}}{{x - 1}}\,\,khi\,x \ge 2\\ {x^2} + 1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,khi\,x...

Câu hỏi :

Cho hàm số \(f\left( x \right) = \left\{ \begin{array}{l}
\frac{{2\sqrt {x + 2}  - 3}}{{x - 1}}\,\,khi\,x \ge 2\\
{x^2} + 1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,khi\,x < 2
\end{array} \right.\). Khi đó, \(f(2)+f(-2)\) bằng: