???????I need solution steps 9. Find the general solution of the differential equation \( x^{2} y^{\prime \prime}+x y^{\prime}+4 y=\sin (\ln x), x>0 \). \[ \text { Answer: } y=\frac{1}{3} \sin (\ln x)+c_{1} \sin (2 \ln x)+c_{2} \ 2 answers