# Integration by Parts

Integration is the antiderivatives in calculus. **Integration can be divided into two parts,**

(a) Indefinite integral and

(b) definite integral. In the case of indefinite integrals we have an arbitrary constant whose value is not know. whereas in the case of definite integrals, we evaluate the integral between the two points either on the x-axis or y-axis, which are called the lower limits and the upper limits of the integral. The value of the integral is definite which is the area bounded by the two curves between the two limits with the x- axis or y- axis.

We will be able to evaluate the integral only if we are comfortable with the different types of integrals. Integration by parts is the method of evaluating the integrals when we have product of two functions. In this section let us see about the procedure to follow the integration by parts and some of the examples.