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Mathematics
Mathematics
Problem
The curve defined by
x
2
+
y
2
=
4
y
x^2+y^2=4y
x
2
+
y
2
=
4
y
has a vertical tangent line at which of the following point(s)? a)
(
2
,
2
)
(2,2)
(
2
,
2
)
only b)
(
0
,
4
)
(0,4)
(
0
,
4
)
only c)
(
0
,
0
)
(0,0)
(
0
,
0
)
only d)
(
2
,
2
)
(2,2)
(
2
,
2
)
and
(
−
2
,
2
)
(-2,2)
(
−
2
,
2
)
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