1.

What is the order of the partial differential equation, \(\frac{∂^2 z}{∂x^2}-(\frac{∂z}{∂y})^5+\frac{∂^2 z}{∂x∂y}=0\)?

A. Order-5
B. Order-1
C. Order-4
D. Order-2
Answer» E.


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