This is not in the form of either of our new formulas, but we can do some juggling to get it into a useful form.

First, we recognise that


We now add `1` at the front, then compensate for it inside the bracket:



With `a = 1`; `u = x - 1`, and `du = dx`, our integral becomes:


`=arcsin\ u+K`


Easy to understand math videos: