$\left|{ }^{K_{1}}{ }_{M}{ }^{K_{2}}\right|^{}=$ কম্পাঙ্ক কত?

$\frac{1}{2 \pi} \sqrt{\frac{M}{k_{1}+k_{2}}}$

$\frac{1}{2 \pi} \sqrt{\frac{k_{1}+k_{2}}{M}}$

$2 \pi \sqrt{\frac{k_{1}+k_{2}}{M}}$

$2 \pi \sqrt{\frac{k_{1}+k_{2}}{M}}$