Find order and degree: `cos(dy/dx)=x+y`

Find order and degree: e^(dy/dx)=x^2+1

Find the order and degree of (dy)/(dx)=e^x

Find order and degree: e^(dy/dx)=(1+(d^2y)/dx^2)

Find the order and degree of (d^2y)/dx^2+3(dy)/(dx)=ysin((d^2y)/dx^2)

Find the order and degree of (d^3y)/dx^3+3(d^2y)/dx^2+3(dy)/(dx)+y=0 and also state whether its linear or non-linear.

Find the order and degree of (d^3y)/dx^3+((d^2y)/dx^2)^3+(dy)/(dx)+4y=sinx and also state whether they are linear or non-linear.

Find the order and degree of (d^3y)/dx^3-2sin((d^3y)/dx^3)=0

Find order and degree: log_e(1+(d^2y)/dx^2)=x

Find the order and degree (if defined) of the equation: (d^3y)/(dx^3)=x ln((dy)/(dx))

Find the order and degree of (x+y-3)dx+(x^2+3x+y)dy=0 and also state whether they are linear or non-linear.