For the following equations, determine its order, degree (if exists)
$("d"^2y)/("d"x^2) = xy + cos(("d"y)/("d"x))$
In this equation
The highest order derivative is $("d"^2y)/("d"x^2)$ and its power is 2.
It has a term $cos(("d"y)/("d"x))$
So its degree is not defined or degree does not exist.
