\(\int\limits_1^2 {{e^{3x - 1}}dx} \)

Câu hỏi: \(\int\limits_1^2 {{e^{3x - 1}}dx} \) bằng

A \(\dfrac{1}{3}\left( {{e^5} - {e^2}.} \right)\)

B \(\dfrac{1}{3}{e^5} - {e^2}.\)

C \({e^5} - {e^2}.\)

D \(\dfrac{1}{3}\left( {{e^5} + {e^2}} \right).\)