Question

If y = 2cos(lnx). + 3sin(Inx) then Select one: 0 dy a 22 dy +r +y = 0 dx dx2 d'y x2 dy +2 dr2 dr y=0 o x2d²y dy dx + y To dx2 day 22 dy dr -y=0 dr2

Answer 1

Given

`y=2\cos(\ln x)+3\sin(\ln x)`
`\begin{gathered} (dy)/(dx)=(-2)/(x)\sin(\ln x)+(3)/(x)\cos(\ln x) \\ \\ \end{gathered}`