1 ( 3 points ) . Let f ( x ) = Approximate the integralI ( f ) = f ( x ) dx (
points Let fxApproximate the integralIffx dxby the midpoint rule, the trapezoidal rule and the Simpson rule, respectively. It is known thatIf For each quadrature formula, compute the quadrature error Enff In fby comparing the exact integral value with the numerical value obtained round to decimal digits