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Domain of Multivariable Function – פונקציה עם שורש ו-ln – Exercise 3191

Exercise

Determine the domain of the function

z(x,y)=\sqrt{\ln \frac{4}{x^2+y^2}}+x^2y\sqrt{x^2+y^2-4}

Final Answer


x^2+y^2=4

Solution

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