1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Principal Axes of Ellipse
Number of poi...
Question
Number of points on the ellipse
x
2
50
+
y
2
20
=
1
from which prependicular of tangents are drawn to the ellipse
x
2
16
+
y
2
9
=
1
is
Open in App
Solution
For the ellipse
x
2
16
+
y
2
9
=
1
,
equation of director circle is
x
2
+
y
2
=
25.
The director circle will cut the ellipse
x
2
50
+
y
2
20
=
1
at
4
points.
Hence, number of points
=
4
Suggest Corrections
7
Similar questions
Q.
Number of points on the ellipse
x
2
50
+
y
2
20
=
1
from which pair of perpendicular tangents are drawn to the ellipse
x
2
16
+
y
2
9
=
1
is
Q.
Tangents are drawn through the point
(
4
,
√
3
)
to the ellipse
x
2
16
+
y
2
9
=
1.
The points at which these tangents touch the ellipse are
Q.
Tangents are drawn through the point
(
4
,
√
3
)
to the ellipse
x
2
16
+
y
2
9
=
1
, the points at which these tangents touch the ellipse are:
Q.
Number of real tangents, which can be drawn from the point
(
4
,
3
)
to the ellipse
x
2
16
+
y
2
9
=
1
,
is
Q.
If tangents are drawn from any point on the circle
x
2
+
y
2
=
25
to the ellipse
x
2
16
+
y
2
9
=
1
,
then the angle between the tangents is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Ellipse and Terminologies
MATHEMATICS
Watch in App
Explore more
Principal Axes of Ellipse
Standard XII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app