Find the centre, eccentricity and foci of the hyperbola, `9x^2 - 16y^2 - 18x - 64y-199 = 0`
Channel: Doubtnut
Date: 2020-04-05

Find the centre, eccentricity and foci of the hyperbola, `9x^2 - 16y^2 - 18x - 64y-199 = 0`