please help in any of these questions in DE Homework Problems for Handout Sheet 28 In…

please help in any of these
questions in DE
Homework Problems for Handout Sheet 28 In Problems 1 to 3, determine the eigenvalues and the corresponding solutions for the given Sturm-Liouville BVP. 1. y” + 2y = 0, y(0)=0, y’ (t)=0. 2. y” + 2y=0, y'(0)=0, y’ (1)=0. 3. y” + 2y = 0, y'(0)=0, y(L)=0.