Calculate an approximation to the following integral using a composite Simpson's numerical method with 4 sub intervals. 41a (63: + 3) do: :lr Calculate an approximation to the following integral using a composite trapezoidal numerical method with 4 sub intervals. I: (Em + 2) do: :w Calculate an approximation to the following integral using a 1/3 Simpson's numerical method with 2 sub intervals. ( 6x + 1) da