高分求用Maple做一道微积分的题! Consider the following function on the interval [0, π/2]. f (x) = √ 2x cos8(2x) (a用中线方法求方程下方区域) Approximate the area under f (x) on the given interval using midpoints(中点) with n = 10. (b求定积分) Compute the definite integral of f (x) on the interval [0, π/2]. (c求绝对误差) Find the absolute value of the error involved in approximating the area under f (x) on the given interval using a Riemman sum with midpoints and n = 10. (d) Using trial and error,determine the smallest number n of subintervals such that the absolute error of the midpoint Riemann sum with respect to the exact value of the area is less than 0.0005. 方程式 根号下2x乘以 (cos(2x))^8