JEE Main 2020
Conic Sections
Hyperbola
Hard
Question
If the equation of the hyperbola with foci and is , then is equal to__________.
Answer: 6
Solution
This problem asks us to find the sum of coefficients for a given hyperbola equation, using information about its foci. We will systematically use the properties of hyperbolas and algebraic manipulation to solve this.
1. Determine the Hyperbola's Center and Orientation
The first crucial step in analyzing any conic section, especially when given its foci, is to determine its center and the orientation of its transverse axis.
- Key Concept: The center of a hyperbola is the midpoint of the segment connecting its two foci.
- Why this step? The center is a fundamental parameter in the standard equation of a hyperbola. Its coordinates are directly related to the coefficients and in the given general