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Ellipse · 2008 · Shift 0

1 Mathematics questions from this JEE Main paper
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Ellipse · 2008 · Shift 0

1 Mathematics questions from this JEE Main paper

  1. Q45.A focus of an ellipse is at the origin. The directrix is the line x=4 and the eccentricity is 21​. Then the length of the semi-major axis is :
    Mathematics · Ellipse · MCQ