The hyperbolas \[\frac{x^2}{4} - \frac{y^2}{9} = 1\]and \[\frac{y^2}{18} - \frac{x^2}{N} = 1\]have the same asymptotes. Find $N.$
Question:
The hyperbolas \[\frac{x^2}{4} - \frac{y^2}{9} = 1\]and \[\frac{y^2}{18} - \frac{x^2}{N} = 1\]have the same asymptotes. Find $N.$
Answer:
Let's think step by step.

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The hyperbolas \[\frac{x^2}{4} - \frac{y^2}{9} = 1\]and \[\frac{y^2}{18} - \frac{x^2}{N} = 1\]have the same asymptotes. Find $N.$
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