焦点 10x^2-25y^2=100

解答

焦点

10 x^{2} - 25 y^{2} = 100

(14, 0), (- 14, 0)

求解步骤

(h + c, k), (h - c, k)

计算双曲线性质

10 x^{2} - 25 y^{2} = 100 :

左右开口双曲线，

(h, k) = (0, 0), a = 10, b = 2

(0 + c, 0), (0 - c, 0)

计算

c :

c = 10^{2} + 2^{2} : 14

(0 + 14, 0), (0 - 14, 0)

整理后得

(14, 0), (- 14, 0)