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Mathematics
Mathematics
Problem
Find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
in
x
3
+
x
2
y
+
x
y
2
+
y
3
=
81
x^3 + x^2y + xy^2 + y^3 = 81
x
3
+
x
2
y
+
x
y
2
+
y
3
=
81
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