Please solve question 19

In each of Problems 38 through 42, a differential equation and one solution y, are given. Use the method of reduction of order as in Problem 37 to find a second linearly independent solution U2 . 38. Ty"t xy'- 9y =0 (x > 0); "(x) =23 39. 4y" - 4y'ty =0; y(x) = ex/2 40. pay"-x(x+ 2)y't (x+ 2)y =0 (x >0); y(x) =1 41. (x+1)y"-(x+2)y'ty=0 (x>-1); y(x)=e 42. (1 -x?)y"+ 2xy'- 2y =0 (-1