Question: We have a function f=f(x,y) with 02 f = A og 02 f = B. We also write partial derivatives as f12 and f21

We have a function f=f(x,y) with 02 f = A og 02

f = B. We also write partial derivatives as f12 and f21

(or fxy and fyx). But which is A and which is B?

f12= f12= f21= b) Assume that f=f(x,y) has continuous partial derivatives of

order 3 and less, and that we have f121 = A and

We have a function f=f(x,y) with 02 f = A og 02 f = B. We also write partial derivatives as f12 and f21 (or fxy and fyx). But which is A and which is B? f12= f12= f21= b) Assume that f=f(x,y) has continuous partial derivatives of order 3 and less, and that we have f121 = A and f212= B Which of these two answers is A and which is B? f ????? 11 . 2 c) Let the function g be given by g(x,y)=y.In(y2+x2). Calculate ag x y This is quite a long calculation and we recommend that you use Python! Python can help with the calculation and will give the answer in a form that will be accepted by stack. You will find an introduction to using Python on Blackboard. Answers:

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