A partial differential equation formed from the relationz = (x2 + a)(y

1.	A partial differential equation formed from the relationz = (x2 + a)(y2 + b) will be
A.	\(\frac{\delta z}{\delta x} \frac{\delta z}{ \delta y} = 4xyz\)
B.	\(\frac{\delta z}{\delta x} \frac{\delta z}{ \delta y} = 4xy\)
C.	\(\frac{\delta z}{\delta x} +\frac{\delta z}{ \delta y} = 4xyz\)
D.	\(\frac{\delta z}{\delta x} -\frac{\delta z}{ \delta y} = 4xy\)
Answer» B. \(\frac{\delta z}{\delta x} \frac{\delta z}{ \delta y} = 4xy\)

Discussion

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