Write the order of the differential equation whose solution is `y=acosx+b s in\ x+c e^(-x)dot`

Write the order of the differential equation whose solution is y=acosx+b sin\ x+c e^(-x)dot

Write the order of the differential equation whose solution is y=acosx+b sin x+c e^(-x)

Write the order of the differential equation whose solution is y=a cos x+bs in x+ce^(-x)

What is the order of the differential equation whose solution is y = a cos x + b sin x + c e^(-x) + d , where a, b , c and d are arbitrary constants ?

Write the order of the differential equation whose general solution is y=ax^2+b

The order of the differential equation whose solution is y=a sin x+be^(x)+ce^(2x) is

Write the differential equation whose general solution is y=acos3x+bsin3x