(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I have been workin on a mathematical induction question and have run into trouble with the simplification.

2. Relevant equations

3. The attempt at a solution

I know that the solution i am trying to reach is (k+2)!-1

but i do not know where to go from the equation:

(k+1)!-1 + (k+1)(k+1)! could someone plz help.

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# Mathematical Induction simplification

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