A simply supported beam of span 6 m carries a point load at the centre of the beam such that the maximum bending moment under load is 12 kN-M. If (EI) is the flexural rigidity of the beam, the deflection at the centre is :
1
\(\rm \frac{9}{EI}\)
2
\(\rm \frac{18}{EI}\)
3
\(\rm \frac{36}{EI}\)
4
\(\rm \frac{45}{EI}\)
5
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