Chapter 11 – Conic Sections
8. An equilateral triangle is inscribed in the parabola y^2 = 4 ax, where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.
30
Oct
8. An equilateral triangle is inscribed in the parabola y^2 = 4 ax, where one vertex is at the vertex of the parabola. Find the length of the side of the triangle. 8. An equilateral triangle is inscribed in the parabola y^2 = 4 ax where one vertex is at the vertex of the parabola. [...]
7. A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.
30
Oct
7. A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man. Example 1: Find an equation of the circle with centre at [...]
6. Find the area of the triangle formed by the lines joining the vertex of the parabola x^2 = 12y to the ends of its latus rectum.
30
Oct
6. Find the area of the triangle formed by the lines joining the vertex of the parabola x^2 = 12y to the ends of its latus rectum. 6. Find the area of the triangle formed by the lines joining the vertex of the parabola x^2 = 12y to the ends of its latus rectum. October [...]
A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3 cm from the end in contact with the x-axis.
30
Oct
A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3 cm from the end in contact with the x-axis. A rod of length 12 cm moves with its ends always touching the coordinate axes. [...]
An arch is in the form of a semi ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.
30
Oct
An arch is in the form of a semi ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end. An arch is in the form of a semi ellipse. It is 8 m wide and 2 m high [...]
3. The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.
30
Oct
3. The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to [...]
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3. The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable ,
the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle. ,
An arch is in the form of a parabola with its axis vertical. The arch is 10 m high and 5 m wide at the base. How wide is it 2 m from the vertex of the parabola?
30
Oct
An arch is in the form of a parabola with its axis vertical. The arch is 10 m high and 5 m wide at the base. How wide is it 2 m from the vertex of the parabola? An arch is in the form of a parabola with its axis vertical. The arch is 10 [...]
1. If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.
30
Oct
1. If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus. 1. If a parabolic reflector is 20 cm in diameter and 5 cm deep find the focus. October 30, 2021 Category: Chapter 11 - Conic Sections , Maths , NCERT Exemplar Class 11 ,
Find the equations of the hyperbola satisfying the given conditions. 15. Foci (0, ± sqrt 10 ), passing through (2,3)
30
Oct
Find the equations of the hyperbola satisfying the given conditions. 15. Foci (0, ± sqrt 10 ), passing through (2,3) ± sqrt 10 ) 3% Find the equations of the hyperbola satisfying the given conditions. 15. Foci (0 passing through (2 October 30, 2021 Category: Chapter 11 - Conic Sections , Maths , NCERT Exemplar [...]
Find the equations of the hyperbola satisfying the given conditions. 14. vertices (± 7,0), e = 3/4 .
30
Oct
Find the equations of the hyperbola satisfying the given conditions. 14. vertices (± 7,0), e = 3/4 . 0 ) e = 3/4 . Find the equations of the hyperbola satisfying the given conditions. 14. vertices (± 7 October 30, 2021 Category: Chapter 11 - Conic Sections , Maths , NCERT Exemplar Class 11 ,