engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Parabola, Ellipse and Hyperbola Hyperbola
For a hyperbola \(\frac{{{{\rm{x}}^2}}}{{16}} - \frac{{{{\rm{y}}^2}}}{9} = 1\) then equation of directrix is
1
x = 4/5
2
x = -4/5
3
x = ± 16/5
4
x = 17/5