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Evaluate
lim
(
x
,
y
)
→
(
0
,
0
)
−
8
x
y
x
2
+
y
2
\displaystyle \lim_{{{\left({x},{y}\right)}\to{\left({0},{0}\right)}}}{\frac{{-{8}{x}{y}}}{{{x}^{{2}}+{y}^{{2}}}}}
(
x
,
y
)
→
(
0
,
0
)
lim
x
2
+
y
2
−
8
x
y
=
.
Use DNE for does not exist, oo for infinity or -oo for negative infinity.
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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity