Q36Comprehension1 Mark22 Dec 2024
Passage
Based on the above data answer the given subquestions. Let f: \ {(0, 0)} -> R be the function defined as follows: f(x, y) = (x^3 y + xy^3 - x^2 - y^2 + k)/(x^2 + y^2), where k in R.
Find the value of k for which the limit of f exists at .
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