Dung Nguyen
New member
Tìm nguyên hàm của hàm số \(f\left( x \right) = x\sin x\cos x.\)
A. \(\int {f(x)dx = } \frac{1}{2}\left( {\frac{1}{4}\sin 2x + \frac{x}{2}\cos 2x} \right) + C.\)
B. \(\int {f(x)dx = } - \frac{1}{2}\left( {\frac{1}{4}\sin 2x - \frac{x}{2}\cos 2x} \right) + C.\)
C. \(\int {f(x)dx = } \frac{1}{2}\left( {\frac{1}{4}\sin 2x - \frac{x}{2}\cos 2x} \right) + C.\)
D. \(\int {f(x)dx = } - \frac{1}{2}\left( {\frac{1}{4}\sin 2x + \frac{x}{2}\cos 2x} \right) + C.\)
A. \(\int {f(x)dx = } \frac{1}{2}\left( {\frac{1}{4}\sin 2x + \frac{x}{2}\cos 2x} \right) + C.\)
B. \(\int {f(x)dx = } - \frac{1}{2}\left( {\frac{1}{4}\sin 2x - \frac{x}{2}\cos 2x} \right) + C.\)
C. \(\int {f(x)dx = } \frac{1}{2}\left( {\frac{1}{4}\sin 2x - \frac{x}{2}\cos 2x} \right) + C.\)
D. \(\int {f(x)dx = } - \frac{1}{2}\left( {\frac{1}{4}\sin 2x + \frac{x}{2}\cos 2x} \right) + C.\)