Find A and B so that `y = A sin 3x + B cos 3x` satisfies the equation `(d^2y)/dx^2+4dy/dx+3y=10cos3x`

Find A and B so that y=A sin3x+B cos3x satisfies the equation (d^(2)y)/(dx^(2))+4(dy)/(dx)+3y=10cos3x

Find A and B so that y=A sin3x+b cos3x satisfies the equation (d^(2)y)/(dx^(2))+4(dy)/(dx)+3y=10cos3x

Find A\ a n d\ B so that y=Asin3x+Bcos3x satisfies the equation (d^2y)/(dx^2)+4(dy)/(dx)+3y=10cos3x .

Find A and B so that y=Asin3x+bcos3x satisfies the equation (d^2y)/(dx^2)+4(dy)/(dx)+3y=10cos3xdot

Solve the equation (dy)/(dx)+x sin2y=x^(3)cos^(2)y

If y=128 sin ^(3) x cos ^(4) x ,then find (d^(2)y)/dx^(2)

The function y=A sin x+cos x satisfies the equation (d^(2)y)/(dx^(2))+y=B , where A, B are constants. If (dy)/(dx)=2 when x = 0, then (A,B)-=

Degree of the differential equation (d^2y)/(dx^2)sin((dy)/(dx))=cos^3y is