Exercises
[29C]Having fixed an element \(g\in G\) in a group, the left and right multiplications \(L_ g:G\to G\) and \(R_ g:G\to G\)
\[ L_ g(h) = g* h ~ ,~ R_ g(h) = h * g \]are bijections.
[29C]Having fixed an element \(g\in G\) in a group, the left and right multiplications \(L_ g:G\to G\) and \(R_ g:G\to G\)
are bijections.