The reaction of the prop of a propped cantilever beam of span I with UDL W kN/m is
1
\(\frac{5}{8}{\rm{\;Wl\;}}\left( {{\rm{kN}}} \right)\)
2
\(\frac{3}{8}{\rm{Wl\;}}\left( {{\rm{kN}}} \right)\)
3
\(\frac{1}{8}{\rm{\;Wl\;}}\left( {{\rm{kN}}} \right)\)
4
\(\frac{7}{8}{\rm{Wl\;}}\left( {{\rm{kN}}} \right)\)