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Ellipse question

2008 · Shift 1 · Q41
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Ellipse question

2008 · Shift 1 · Q41

JEE AdvancedMathematicsEllipseMultiple correct+4 / −2
Let P(x1,y1)P\left( {{x_1},{y_1}} \right)P(x1​,y1​) and Q(x2,y2),y1<0,y2<0,Q\left( {{x_2},{y_2}} \right),{y_1} \lt 0,{y_2} \lt 0,Q(x2​,y2​),y1​<0,y2​<0, be the end points of the latus rectum of the ellipse x2+4y2=4.{x^2} + 4{y^2} = 4.x2+4y2=4. The equations of parabolas with latus rectum PQPQPQ are :
  1. A
    x2+23y=3+3{x^2} + 2\sqrt 3y = 3 + \sqrt 3x2+23​y=3+3​
  2. B
    x2−23y=3+3{x^2} - 2\sqrt 3y = 3 + \sqrt 3x2−23​y=3+3​
  3. C
    x2+23y=3−3{x^2} + 2\sqrt 3y = 3 - \sqrt 3x2+23​y=3−3​
  4. D
    x2−23y=3−3{x^2} - 2\sqrt 3 y = 3 - \sqrt 3x2−23​y=3−3​
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