A simply supported beam of length 'l' carrying a load whose intensity varies uniformly from zero at each end to 'w' per unit run at the midspan. The maximum bending moment is
1
\(\rm\frac{wl^2}{10}\)
2
\(\rm\frac{wl^2}{9}\)
3
\(\rm\frac{wl^2}{12}\)
4
\(\rm\frac{wl^2}{15}\)