Differential equation of the family of curves `v=A/r+B ,` where `A` and `B` are arbitrary constants, is

The differential equation of the family of curves y=e^(x)(A cos x+B sin x), where A and B are arbitrary constants is

The differential equation of the family of curves y=Ae^(x)+be^(-x) , where A and B are arbitrary constant is

Find the differential equation of the family of curves,x=A cos nt+B sin nt, where A and B are arbitrary constants.

The differential equation of the family of curves y=e^x(Acosx+Bsinx), where A and B are arbitrary constants is