Mathematics · JEE | CONIC SECTIONS

What is the standard equation of an ellipse with its major axis along the x-axis?

1. A
   \( \frac{x^2}{a^2} + \frac{y^2}{b^2} = 1 \)
2. B
   \( \frac{x^2}{b^2} + \frac{y^2}{a^2} = 1 \)
3. C
   \( \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 \)
4. D
   \( x^2 + y^2 = a^2 \)