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Hyperbola question

2012 · Shift 1 · Q28
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  2. /JEE Advanced
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  5. /2012 · Shift 1 · Q28

Hyperbola question

2012 · Shift 1 · Q28

JEE AdvancedMathematicsHyperbolaMultiple correct+4 / −1
Tangents are drawn to the hyperbola x29−y24=1,{{{x^2}} \over 9} - {{{y^2}} \over 4} = 1,9x2​−4y2​=1, parallel to the straight line 2x−y=1,2x - y = 1,2x−y=1, The points of contact of the tangents on the hyperbola are
  1. A
    (922,12)\left( {{9 \over {2\sqrt 2 }},{1 \over {\sqrt 2 }}} \right)(22​9​,2​1​)
  2. B
    (−922,−12)\left( -{{9 \over {2\sqrt 2 }},-{1 \over {\sqrt 2 }}} \right)(−22​9​,−2​1​)
  3. C
    (33,−22)\left( {3\sqrt 3 , - 2\sqrt 2 } \right)(33​,−22​)
  4. D
    (−33,22)\left( -{3\sqrt 3 , 2\sqrt 2 } \right)(−33​,22​)
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