5 a. For the series M 3 use the inequalities shown below with n = 10 to find an interval containing the sum S. n=1h Sn f(x) dxsSsS+ f(x) dx n+1 n b. Use the midpoint of the interval found in part (a) to approximate the sum of the series. 5 a. S S n = 1 n' (Round to four decimal places as needed.)