19 let a be a rea symmetric matríx. then we can conclude that (a) a does not have 0 as an ejgenvalues (b) all eigenvalues of a are real e) if al exists, then a

19 Let A be a rea symmetric matríx. Then we can conclude that (a) A does not have 0 as an ejgenvalues (b) All eigenvalues of A are real e) If Al exists, then A is rea ane symmetric (d) Ahas at oné positive eigenvalues atICS INet Dec 20161