in Calculus retagged by
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What is the value of $\underset{x \rightarrow 0 \\ y \rightarrow 0}{\lim} \dfrac{xy}{x^2+y^2}$?

  1. $1$
  2. $-1$
  3. $0$
  4. Limit does not exist
in Calculus retagged by
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