Chapter         7 Integration Techniques, L’Hospital Rule, and Improper Integrals
7.3 Partial Fractions
7.1 Basic Integration Formulas
7.2 Integration by Parts
  7.4 Trigonometric Substitutions
7.5 Integral Tables, CAS, and Monte Carlo    Integration
7.6 L’ Hospital Rule
7.7 Improper Integrals
7.2
Integration by Parts(分部积分法)
Suppose that
Yet, what shall we do with the integral
拆+凑