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Justify your answers fully and clearly. | Find the domain of the function f(x, y)=\frac{\ln \left(\sqrt{y^{2}-x}\right)}{\left(x^{2}+y^{2}-5\right)} -] Sketch the domain that you found in part (a). [7 pts] Find a

point that lies in the domain of the function in part (a). If possible, evaluatethe function at this point, if not explain why it is not possible.

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