Intersection of Sets Ellipse and Circle (Jee Ma… | ExamDuo
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Ellipse
Medium
Intersection of Sets Ellipse and Circle
Let
S
=
{
(
x
,
y
)
∈
ℕ
×
ℕ
:
9
(
x
−
3
)
2
+
16
(
y
−
4
)
2
≤
144
}
and
T
=
{
(
x
,
y
)
∈
ℝ
×
ℝ
:
(
x
−
7
)
2
+
(
y
−
4
)
2
≤
36
}
. Then
n
(
S
∩
T
)
is equal to _________.
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