(Solved): 1. Find the sum of order and degree for the given PDE zy+z55z(zx)3= ...
1. Find the sum of order and degree for the given PDE ?z?y?+?z5?5z??(?z?x?)3=?x?y?2y? 2. Form the partial differential equation by eliminating the constants a and b from the equation z=(x2+a2)(y2+b2) 3. Write the conditions to classify the partial differential equation