A cantilever beam with a load acting at end point. The mass 'M' is attached at the end of the beam. The frequency of the beam is given as _____.
1
\({2 \pi} \sqrt\frac{3EI}{Ml^3}\)
2
\(\frac{1}{2 \pi} \sqrt\frac{3EI}{Ml^3}\)
3
\({2 \pi} \sqrt\frac{Ml^3}{3EI}\)
4
\(\frac{1}{2 \pi} \sqrt\frac{Ml^3}{3EI}\)