- #1
jdnhldn
- 9
- 0
Homework Statement
I need to find the inverse to element in 7 in ring [tex]Z_{13}[/tex]
Homework Equations
7^-1 in [tex]Z_{13}[/tex]
The Attempt at a Solution
Needs to find X so that, 7x=1 in [tex]Z_{13}[/tex] => 7x=1+k*13
And then my notes was messed up :(