How do I prove that:
3 divides 4n−1, where n is a natural number, and
3 divides n3−n, where n is a natural number?
All without induction?(only number theory)
Thanks !
How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...
No comments:
Post a Comment