Tính \(\int\limits {\left( {x - \sin 2x} \right)dx...

Câu hỏi: Tính $\int\limits {\left( {x - \sin 2x} \right)dx}$

A $\frac{{{x^2}}}{2} + \sin x + C$

B $\frac{{{x^2}}}{2} + c{\rm{os}}2x + C$

C ${x^2} + \frac{1}{2}c{\rm{os}}2x + C$

D $\frac{{{x^2}}}{2} + \frac{1}{2}c{\rm{os}}2x + C$