(a / b) % c = ((a % c) * (b^{-1} % c)) % c
How to calculate b^{-1}? I know it is not 1/b. Is there more than one way to calculate this?
I have injection $f \colon A \rightarrow B$ and I want to get bijection. Can I just resting codomain to $f(A)$? I know that every function i...
No comments:
Post a Comment