# Calc1.50

From Example Problems

To find this integral, start by making a substitution.

Let

Then

Now solve for to get

Now substitute these functions into the integral.

Now, this integral is of a form of which we already know the technique.

The final step is to undo the substition. Plug back in wherever there is a . Also, note the absolute value bars can be dropped because is always positive. So our answer is