$\sin x \cos x=\frac{1}{4}$ হলে x এর মান কত?

$\frac{n \pi}{2}+(-1)^{n} \frac{\pi}{12}$

$2 n \pi+(-1)^{n} \frac{\pi}{12}$

$\frac{n \pi}{2}+(-1)^{n} \frac{\pi}{6}$

$n \pi+(-1)^{n} \frac{\pi}{6}$