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Questions  >>  CBSE XI  >>  Math  >>  Conic Sections
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Find the coordinates of the foci, the vertices, the length of major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse : x24+y225=1

(A)Foci:(0,±√21),vertices:(0,±5),lengthofthemajoraxis=10,lengthoftheminoraxis=4,eccentricity=√215,lengthofthelatusrectum=85,axismajoraxisalongy−axis(B)Foci:(±√21,0),vertices:(±5,0),lengthofthemajoraxis=10,lengthoftheminoraxis=4,eccentricity=√215,lengthofthelatusrectum=85,axismajoraxisalongx−axis(C)Foci:(0,±2√21),vertices:(0,±5),lengthofthemajoraxis=10,lengthoftheminoraxis=4,eccentricity=2√215,lengthofthelatusrectum=165,axismajoraxisalongy−axis(D)Foci:(±2√21,0),vertices:(±5,0),lengthofthemajoraxis=10,lengthoftheminoraxis=4,eccentricity=2√215,lengthofthelatusrectum=165,axismajoraxisalongx−axis

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