homework help > math > calculus q&a board > topic: four second partial derivatives. help!...

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posted by  DanielJ on 10/16/2009 1:01:30 AM  |  status: Closed  |  Earned Karma: 55

four second partial derivatives. HELP!

Course Textbook Chapter Problem Needs by
Calculus Calculus With Analytic Geometry (8th) by Edwards, Larson, Hostetler 13.3 63 10/16/2009 at 8:00:00 AM
Question Details:
I understand how to get fx ,fxx ,fy ,fyy. I am confused with the fxy and fyx. 
I have a quiz tomorrow and am trying to get a grasp on this. Thanks for any help.
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Sage
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posted by steb on 10/16/2009 1:17:37 AM  |  status: Live
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Response Details:
To find fxy you first find fx and then differentiate that with respect to y:


For fyx you take fy and differentiate it with respect to x.
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