SOLUTION: Please help me suppose {{{A }}},{{{ B }}}and {{{AB - I }}}are non-degenerate and have same order. prove that (1){{{ A - B^-1 }}}is non-degenerate. (2) {{{(A - B^-1)^-1 - A^

Algebra ->  Linear-equations -> SOLUTION: Please help me suppose {{{A }}},{{{ B }}}and {{{AB - I }}}are non-degenerate and have same order. prove that (1){{{ A - B^-1 }}}is non-degenerate. (2) {{{(A - B^-1)^-1 - A^      Log On