Phương trình 

Câu hỏi: Phương trình $2\sin 2x - 3\sqrt{6}|\sin x+\cos x|+8=0$ có nghiệm là

A. $\left[\begin{array}{c}x=\frac{\mathrm{\pi }}{3}+k\mathrm{\pi }\\ x=\frac{5\mathrm{\pi }}{3}+k\mathrm{\pi }\end{array}\right.$

B. $\left[\begin{array}{c}x=\frac{\mathrm{\pi }}{4}+k\mathrm{\pi }\\ x=5\mathrm{\pi }+k\mathrm{\pi }\end{array}\right.$

C. $\left[\begin{array}{c}x=\frac{\mathrm{\pi }}{6}+k\mathrm{\pi }\\ x=\frac{5\mathrm{\pi }}{4}+k\mathrm{\pi }\end{array}\right.$

D. $\left[\begin{array}{c}x=\frac{\mathrm{\pi }}{12}+k\mathrm{\pi }\\ x=\frac{5\mathrm{\pi }}{12}+k\mathrm{\pi }\end{array}\right.$