Dive into a comprehensive 3.5-hour tutorial on integration, the second major topic in calculus. Master the Substitution Rule, explore the Fundamental Theorem of Calculus, and learn to integrate products of functions. Understand Riemann sums, sigma notation, and antiderivatives. Delve into definite integrals, the Mean Value Theorem of Integration, and calculating areas between curves. Practice numerical integration techniques, trigonometric integration, and integrating polynomial fractions. Gain practical skills in finding lengths of plane curves and solving various integration problems through numerous examples and step-by-step explanations.