Which of the following truly represent simpson’s 1/3rd rule?
1
\(A = \frac{d}{3}\left[ {{h_o} + 4{h_1} + {h_2}} \right]\)
2
\(A = \frac{d}{2}\left[ {{h_o} + 2{h_1} + {h_2}} \right]\)
3
\(A = \frac{{2d}}{3}\left[ {2{h_o} + 3{h_1} + 2{h_2}} \right]\)
4
\(A = \frac{d}{3}\left[ {{h_1} + 4{h_o} + {h_2}} \right]\)