Verify that `y = A cos x - Bsin x` is a solution of the differential equation `(d^2y)/(dx^2)+y=0`

Verify that y=A cos x-B sin x is a solution of the differential equation (d^(2)y)/(dx^(2))+y=0

Verify that "y"="Acos x"-"Bsinx" is solution of the differential equation (d^2y)/("dx"^2)+"y"=0

Show that y=Acos2x+Bsin2x is a solution of the differential equation (d^(2)y)/(dx^(2))+4y=0

Verify that y=A cos 2x-B sin2x is the general solution of the differential equation (d^(2)y)/(dx^(2))+4y=0.

Show that y=A cos mx+Bsin mx is a solution of differential equation (d^(2)y)/(dx^(2)+m^(2)y=0

Show that y=A cos mx+Bsin mx is a solution of differential equation (d^(2)y)/(dx^(2)+m^(2)y=0

Show that the function y=A cos x+b sinx is as solution of the differential equation (d^2y)/(dx^2)+y=0.

Verify that the function y =4 sin 3x is a solution of the differential equation (d^(2)y)/(dx^(2))+9y=0

Verify that y=4sin3x is a solution of the differential equation (d^2y)/(dx^2)+9y=0.