Hi everyone, first time posting on this forum and was hoping if someone would be willing to explain how to do the below question. Any help appreciated, thanks.
Hi everyone, first time posting on this forum and was hoping if someone would be willing to explain how to do the below question. Any help appreciated, thanks.
The question is to find the number of solutions to
Let be the event that .
Let be the event that .
Let be the number of solutions in .