Which curve a given line touches

1. A.
   $x^{2} + 9y^{2} = 9$
2. B.
   $2x^{2} - 18y^{2} = 9$
3. C.
   $y^{2} = \frac{1}{6\sqrt{3}}x$
4. D.
   $x^{2} + y^{2} = 7$

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1. A.
   $x^{2} + y^{2} = 169$
2. B.
   $144x^{2} + 25y^{2} = 3600$
3. C.
   $25x^{2} + 12y^{2} = 3600$
4. D.
   $x^{2} + y^{2} = 60$

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