Hi all,

Well I went to my teacher to get help, but his method just did not work (no idea why). I'm trying to solve this:

For all n in N (where N is the set of natural numbers)

I understand the steps to PMI, but when I get to the Inductive Step and try to solve the equality I get completely stuck.

I don't know what I am doing wrong, whether it be the PMI steps or otherwise. Thanks guys.