How to do Proof by Induction on the TI89 using Finite Math Made Easy

How to solve these problem with the finite math app, I know there is a induction function but I’m typing in these wrong it seems. I attached a picture for reference.

screen-shot-2016-09-16-at-11-47-38-am

Answer:

screenshot002

 

to get

screenshot000

That simple 😉

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