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