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Let-f-x-There-is-a-secondorder-continuoust-derivaive-t-x-2-y-2-g-x-y-f-1-r-ask-2-g-x-2-2-g-y-2-

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Question Number 212788 by MrGaster last updated on 24/Oct/24
Let f(x) There is a secondorder continuoust derivaive,t=(√(x^2 +y^2 )),g(x,y)=f((1/r)),ask (∂^2 g/∂x^2 )+(∂^2 g/∂y^2 ).
Letf(x)Thereisasecondordercontinuoustderivaive,t=x2+y2,g(x,y)=f(1r),ask∂2g∂x2+∂2g∂y2.

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