||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ a=matrix([[-1.5,-1.5,0.5],[-1.5,0.5,0.5],[0.5,0.5,-0.5]]) print a b=inv(a) print b }}} /* code_ends */ * '''Solution by''': *, , *, , *, , *, , *, , *, ,