What is the order of the non-homogeneous partial differential equation – McqOptions

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1.	What is the order of the non-homogeneous partial differential equation, ( frac{ ^2 u}{ x^2}+( frac{ ^2 u}{ x y})^2+ frac{ ^2 u}{ y^2}=x^2+y^2 )?
A.	Order-3
B.	Order-2
C.	Order-0
D.	Order-1
Answer» C. Order-0

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