Using Trapezoidal method of integration we learnt in the class, write a MATLAB program to integrate f(x)=x^2 for 0<=x<=1. Write a custom function trapzinteg.m to do the calculations, and call this function from the main file. Pass the arguments x, fx, and h (step size) to trapzinteg.m function.

a. Use h=0.1, get the final answer

b. Use h=0.01, get the final answer

c. Use h=0.001, get the final answer

What do you observe in a, b and c? Write the conclusion in your own words