such that whenever then it follows that
In these questions, you always fudge the last expression to get in terms of in which you set to. So:
So the problem is the . To deal with this, we can assume that we're dealing with relatively small values so we can say (Normally we use but we run into a bit of a problem so we choose a different value). So:
Adding +1 to all 3 sides we get:
Can you finish off?