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Mathematics 12 Online
OpenStudy (anonymous):

whats the necessary condition for a vector to be a gradient of a scalar field in 3d?

OpenStudy (anonymous):

i know in 2d it is d2(F1(x,y))=d1(F2(x,y)) but what about 3d?

OpenStudy (anonymous):

It has to be orthogonal to the level curve I think.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

oh nevermind found it.

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