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Question

Select the right options about a hyperbola.


A

Conjugate axis is the axis of the hyperbola that passes through the foci

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B

A transverse axis always pass through the origin

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C

The straight line through the centre which is perpendicular to the transverse axis doesn't meet hyperbola in real point.

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D

Eccentricity is the ratio of 2 distances

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Solution

The correct options are
C

The straight line through the centre which is perpendicular to the transverse axis doesn't meet hyperbola in real point.


D

Eccentricity is the ratio of 2 distances


These are some basic facts associated with the hyperbola.

Eccentricity is the ratio of distances between a point p from the curve to a fixed between and between p and a fixed line.

Also, conjugate axis doesn't meet the hyperbola in real points, while transverse axis meets the curve at 2 points.

Here in the given hyperbola

x1ox Transverse axis

y1oy conjugate axis

Eccentricity=e=PSPQ


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