Partial Differentiation || 𝒍𝒐𝒈(𝒙^𝟑+𝒚^𝟑+𝒛^𝟑−𝟑𝒙𝒚𝒛) || VTU maths || Dr Prashant Patil 

In this video, 𝑰𝒇 𝒖=𝒍𝒐𝒈(𝒙^𝟑+𝒚^𝟑+𝒛^𝟑−𝟑𝒙𝒚𝒛) then 𝝏𝒖/𝝏𝒙+𝝏𝒖/𝝏𝒚+𝝏𝒖/𝝏𝒛=𝟑/(𝒙+𝒚+𝒛) and (𝝏/𝝏𝒙+𝝏/𝝏𝒚+𝝏/𝝏𝒛)^𝟐 𝒖=(−𝟗)/(𝒙+𝒚+𝒛)^𝟐 are proved indetail.
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