HARD
11th ICSE
IMPORTANT
Earn 100

The girder of a railway bridge is a parabola with its vertex at the highest point, 15 metres above the ends. If the span is 150 metres, find its height( in meters ) at 30 metres from the mid-point.

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Important Questions on Conic Sections

EASY
11th ICSE
IMPORTANT
Find the length of major axis and minor axis of the ellipse  4x2+9y2=36  
EASY
11th ICSE
IMPORTANT
Find the length of major axis and minor axis of the ellipse  4x2+y2=100  
EASY
11th ICSE
IMPORTANT
Find the co-ordinates of the foci of the ellipse x225+y24=1.
EASY
11th ICSE
IMPORTANT
Find the co-ordinates of the foci of the ellipse x236+y249=1
EASY
11th ICSE
IMPORTANT
The eccentricity of the ellipse x225+y29=1 is
MEDIUM
11th ICSE
IMPORTANT
Find the equation of the ellipse whose focus is (1,-1) the corresponding directrix is x-y+3=0 and e = 12
HARD
11th ICSE
IMPORTANT
Find the equation of the ellipse whose focus is (-2,3) the corresponding directrix is 3x+4y-1=0 and e = 12
MEDIUM
11th ICSE
IMPORTANT
Find the coordinates of foci, the vertices, the Iengths of major axis, minor axis, latus rectum and the eccentricity of the ellipse x225+y29=1