Both answers pls

The eigenvalues An and the eigenfunctions Un of the Sturm-Liouville problem y" + 4)y = 0,0

The eigenvalues Xn and the eigenfunctions yn of the Sturm-Liouville problem y" < x < 3, y'(o) o, y(3) o, are (2n+1)2T2 144 Yn (2n+1)2T2 (2n+1)27r2 e) None of ttbe Question 19 (4 points) (2n+1)7rc yn An COS An cos(ngc , An For the equation + c _ 1 Y + 1 (2n+1)7rx 2 (2n+1)7rc 2 O, C) a) Both O and I are regular singular points C) b) None of these (C) c) O is a regular singular point and 1 an irregular singular point Q) d) O is an irregular singular point and 1 a regular singular point C) e) Both O and 1 are irregular singular points