Summing up square numbers... Jul 15, 2020 22:50:48 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Tiago on Jul 15, 2020 22:50:48 GMT Another *mathematical induction* proof from FP1. These are pretty sweet to deal with. It all flows naturally.https://www.instagram.com/p/CCnVqeMjiVz