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Byju's Answer
Standard XII
Mathematics
Position of a Point W.R.T Ellipse
3,2 lies the...
Question
(
3
,
2
)
lies _______ the ellipse
16
x
2
+
9
y
2
−
16
x
−
32
=
0
A
Inside
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B
Outside
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C
On
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D
None of the above
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Solution
The correct option is
B
Outside
Ellipse :
16
x
2
+
9
y
2
−
16
x
−
32
=
0
Let
S
=
16
x
2
+
9
y
2
−
16
x
−
32
Putting point (3,2) in S we get
S(3,2)
=
16
×
(
3
)
2
+
9
×
(
2
)
2
−
16
×
3
−
32
=
144
+
36
−
48
−
32
=
180
−
80
=
100
S
(
3
,
2
)
>
0
Hence, point lies outside ellipse.
Suggest Corrections
0
Similar questions
Q.
Which of the following points is an exterior point of the ellipse
16
x
2
+
9
y
2
−
16
x
−
32
=
0
.
Q.
Position of a point
(
3
,
−
4
)
)
with respect to the ellipse
16
x
2
+
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y
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=
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Q.
If the equation of the curve on reflection of the ellipse
(
x
−
4
)
2
16
+
(
y
−
3
)
2
9
=
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about the line
x
−
y
−
2
=
0
is
16
x
2
+
9
y
2
+
k
1
x
−
36
y
+
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2
=
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, then
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is
Q.
The position of the point (1,3)n with respect to the ellipse
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x
2
+
9
y
2
−
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x
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Q.
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y
2
=
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