JEE Main & Advanced
Mathematics
Conic Sections
Question Bank
Numerical Value Type Questions - Hyperbola
question_answer
Consider the set of hyperbola \[xy=k,\,\,\,k\in R.\] Let \[{{e}_{1}}\] be the eccentricity when \[k=4\] and \[{{e}_{2}}\] be the eccentricity when \[k=9\] then \[{{e}_{1}}-{{e}_{2}}=\]