Express the limit below as a definite integral. The n points X

Express the limit below as a definite integral. The n points xo < < < < xn evenly divide the interval [a,bJ into Do not evaluate the definite integral. n subintervals, each of width w = 3 3 3 lim w 2 2 2 n 3 x , where a = 2, b=4. 2 O. (Type an expression using x as the variable.) The definite integral is