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Mathematics
The angle between the asymptotes of the hyperbola x2 - 3y2 = 12 is
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Q. The angle between the asymptotes of the hyperbola $x^2 - 3y^2 = 12$ is
COMEDK
COMEDK 2007
Conic Sections
A
$0^{\circ}$
5%
B
$60^{\circ}$
56%
C
$30^{\circ}$
28%
D
$15^{\circ}$
11%
Solution:
We have $x^2 - 3y^2 = 12 \Rightarrow \:\:\: \frac{x^{2}}{12} - \frac{y^{2}}{4} = 1 $
Angle between assymptotes is given by $2\tan^{-1} \left(\frac{b}{a}\right) = 2 \times30^{\circ} = 60^{\circ}$