theakdad
- 210
- 0
With mathematical induction i should prove that is true for all natural numbers:http://img.tapatalk.com/d/13/10/18/u6epesu5.jpg
Im sorry beacuse i have inserted an image,but I am still not used to write it in $$ here...
Im sorry beacuse i have inserted an image,but I am still not used to write it in $$ here...
Last edited: