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erfan1234567

  • 3 years ago

Find equations of both the tangent lines to the ellipse x2 + 9y2 = 81 that pass through the point (27, 3).

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  1. Jnlucero
    • 3 years ago
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    x^2/81 + y^2/9 = 1. so the tangent is 27x/81 +3y/9 = 1 or x + y - 3 = 0

  2. Jnlucero
    • 3 years ago
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    |dw:1352015831257:dw|

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