Example 2. 1. Consider the function f(a)=1+e-sin(4. e equally spaced spaced quadrature nodes o =0.0, 31=0.5, 2=1.0, 33=1.5 and a4= 2.0, and the corresponding function values fo= 1.00000, f2 0. 72159, f3=0.93765, and f4= 1. 13390. Apply the various quadrature for- mulas(2. 4)through(2.7)