Cho \(\int\limits_{0}^{1}{f\left( x \right)\text{d}x}=2\) & \(\int\limits_{0}^{1}{g\left( x \right)\text{d}x}=5\), khi đó \(\int\limits_{0}^{1}{\l

Câu hỏi :

Cho \(\int\limits_{0}^{1}{f\left( x \right)\text{d}x}=2\) và \(\int\limits_{0}^{1}{g\left( x \right)\text{d}x}=5\), khi đó \(\int\limits_{0}^{1}{\left[ f\left( x \right)+2g\left( x \right) \right]\text{d}x}\) bằng