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Mathematics
Problem
Which of the following points on the curve
x
y
2
+
y
=
4
x y^{2}+y=4
x
y
2
+
y
=
4
has a vertical tangent line? a)
(
1
2
,
2
)
\left(\dfrac{1}{2},\,2\right)
(
2
1
,
2
)
b)
(
−
1
16
,
8
)
\left(-\dfrac{1}{16},\,8\right)
(
−
16
1
,
8
)
c)
(
3
16
,
8
3
)
\left(\dfrac{3}{16},\,\dfrac{8}{3}\right)
(
16
3
,
3
8
)
d)
(
0
,
4
)
(0,4)
(
0
,
4
)
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