.Could someone please check this induction proof, unsure if this is the correct way to go about it.
Prove by induction that is divisible by 7 for all non negative integers .
, therefore true for .
Induction step. Assume for , therefore for some .
Therefore for we have:
What, in the holy name of the Great Pumpkin, did you do here??!:
, and the same with the other term, so you need to correct this QUICKLY and think over your proof again.
Therefore true for all .