# Integration of 1 Over a^2-x^2

In this tutorial we shall find the integral of 1 over a^2-x^2.

The integration is of the form

Now we have an integral to evaluate,

Using the integral formula $\int {\frac{{f'\left( x \right)}}{{f\left( x \right)}}dx = \ln f\left( x \right) + c}$, we have