Here, f(x) =x +2impliesf(x(1))=f(x(2)) x(1)+2=x(2)+2implies x(1)=x(2) Let " " y=x+2 x=y-2 in Z, AA y in x Hence, f(x) is one-one and onto.
[Discrete] Prove that |nZ| = |Z| for any postive integer n I have been studying discrete mathematics for fun and I am kind of stuck on this bijection problem. 1. Homework Statement I wanted to apologize in advance if i put this homework question in the wrong part of the forums. Dis...