Tích phân 

Câu hỏi: Tích phân $\underset{0}{\overset{100}{\int }}x{e}^{2x}dx$ bằng:

A. $\frac{1}{2}\left(199e^{200}+1\right).$

B. $\frac{1}{4}\left(199e^{200}+1\right).$

C. $\frac{1}{4}\left(199e^{200}-1\right).$

D. $\frac{1}{2}\left(199e^{200}-1\right).$