Evaluate the indefinite integraIn this exercise, use the region under the graph of f(x) = 7x2 + 5, above the x-axis, and between the vertical lines x = 0 and x = 1. (a) Use a right sum with n = 5 to approximate the area of the region.l 6 sec(2x) tan(2x) dx. (Use C for the constant of integration.)