Integration is often introduced as the reverse process to differentiation, and has wide applications, for example in finding areas under curves and volumes of solids. This section explains what is meant by integration and provides many standard integration techniques.

# Integrating algebraic fractions (2)

The integral of an algebraic fraction can often be found by first expressing the fraction as the sum of its partial fractions. Further techniques are available when the denominator involves an irreducible quadratic expression. Video tutorial 16 mins.