Mathematics · JEE | CONIC SECTIONS

What is the formula for the eccentricity \( e \) of a hyperbola?

1. A
   \( e = \frac{a}{c \)
2. B
   \( e = \frac{b}{a} \)
3. C
   \( e = \frac{c}{a} \)
4. D
   \( e = \frac{a}{b} \)