Find the foci of the hyperbola x²/9 - y²/16 = 1.
Question 1
Q1. Find the foci of the hyperbola x²/9 - y²/16 = 1.
Answer: (±5, 0)
Explanation: For hyperbola x²/a² - y²/b² = 1, foci at (±c, 0) where c² = a² + b² ⇒ c=5.