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Mathematics
Mathematics
Problem
Calculate the slope of the curve defined by
x
2
+
x
y
+
y
2
=
7
x^{2}+xy+y^{2}=7
x
2
+
x
y
+
y
2
=
7
at the point
(
1
,
2
)
.
(1,2).
(
1
,
2
)
.
Give your answer as a numerical value.
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