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Recent questions tagged exercise11-misc
ASK
An equilateral triangle is inscribed in the parabola $y^2 = 4 ax$, where one vertex isat the vertex of the parabola. Find the length of the side of the triangle.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
q8
sec-b
medium
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
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.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
q7
sec-a
easy
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
Find the area of a triangle formed by the lines joining the vertex of the parabola $x^2 = 12y$ to the ends of its latus rectum.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
q6
sec-b
easy
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
A rod of length 12cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3cm from the end in contact with the x-axis.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
sec-b
easy
q5
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
An arch is in the form of a semi ellipse. It is 8m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
sec-b
q4
medium
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
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.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
sec-b
medium
q3
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
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?
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
sec-a
medium
q2
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
q1
easy
sec-a
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
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