\"\"

\

The function is \"\" . \ \

\

Where (a, b) = (1, 4), n = 6 and \"\" . \ \

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

 

\

\"\"

\

\"\"(The Trapezoidal rule)

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"(The Simpsons rule)

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

Therefore     Trapezoidal                Simpsons                        Exact

\

                     1.5859                          1.5833                             1.5833