JEE Main 2021
Conic Sections
Hyperbola
Medium
Question
If the line y = mx + 7 is normal to the hyperbola , then a value of m is :
Options
Solution
Understanding the Problem
We are presented with a line, , and a hyperbola, . The core information is that this line is normal to the hyperbola. Our task is to determine a possible value for the slope, , of this normal line. This problem is a classic application of the properties of hyperbolas, specifically the equation of a normal in slope-intercept form.
Key Concept: Equation of the Normal to a Hyperbola in Slope Form
For a standard hyperbola centered at the origin, given by the equation: