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Mathematics
Problem
For the relation
x
2
y
+
y
3
=
8
x^{2}y+y^{3}=8
x
2
y
+
y
3
=
8
, evaluate
d
y
d
x
\dfrac{dy}{dx}
d
x
d
y
at the point
(
2
,
1
)
(2,1)
(
2
,
1
)
. a)
−
7
4
-\dfrac{7}{4}
−
4
7
b)
4
7
\dfrac{4}{7}
7
4
c)
−
4
7
-\dfrac{4}{7}
−
7
4
d)
−
4
3
-\dfrac{4}{3}
−
3
4
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