What is the order of the partial differential equation, \(\frac{∂z}

1.	What is the order of the partial differential equation, \(\frac{∂z}{∂x}-(\frac{∂z}{∂y})^3=0\)?
A.	Order-5
B.	Order-1
C.	Order-4
D.	Order-2
Answer» C. Order-4

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