We will first divide the interval [0,2] into 4 equal length subintervals each of length -------> (2-0)/4=1/2.
<span> The four subintervals are </span>
<span>[0,1/2], [1/2,1], [1,3/2], [3/2,2] and the endpoints of these subintervals are </span>
<span>0, 1/2, 1, 3/2, 2.</span>
