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Mathematics
Mathematics
Problem
Calculate
d
y
d
x
\dfrac{dy}{dx}
d
x
d
y
at the point
(
1
,
2
)
(1,2)
(
1
,
2
)
for the curve
3
x
2
+
x
y
+
y
2
=
7
3x^{2}+xy+y^{2}=7
3
x
2
+
x
y
+
y
2
=
7
.
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