For hyperbola x²/16 - y²/9 = 1, the distance between foci is
Question 1
Q1. For hyperbola x²/16 - y²/9 = 1, the distance between foci is
Answer: 10
Explanation: Distance is 2c where c² = a² + b² ⇒ c = √(16 + 9) = 5 ⇒ 2c = 10.