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The distance between the foci of the conic 7x2-9y2=63 is equal to

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Important Questions on Hyperbola

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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 13
The equation x212-k+y28-k=1 represents
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 14
The equation of the hyperbola whose foci are 6,4 and -4,4 and eccentricity 2 is given by
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 15
A hyperbola has center 'C' and one focus at P(6, 8). If its two directrices are 3x+4y+10=0 and 3x+4y-10=0, then CP=
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 16
The equation of tangents to the hyperbola 3x2-2y2=6, which is perpendicular to the line x-3y=3, are
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 17
The number of points from where a pair of perpendicular tangents can be drawn to the hyperbola x2sec2α-y2cosec2α=1, α∈0,π4, is
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 18
Which one of the following points does not lie on the normal to the hyperbola, x216-y29=1 drawn at the point 8,33?
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 19
The equation of a tangent to the hyperbola 3x2-y2=3, parallel to the line y=2x+4, is
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Mathematics Crash Course NDA & NA EE>Chapter 14 - Hyperbola>Exercise 1>Q 20
If m is the slope of a tangent to the hyperbola x2a2-b2-y2a3-b3=1, where a>b>1, then