VITEEE 2015 Paper

Given equation of rectangular hyperbola is x2−y2=82
Here, a=8 and b=a
Length of latus rectum =2×‌

b2

a

=2×(8)=16
and eccentricity =√2
The asymptotes are perpendicular lines. So, x±y=0
Now, directrices are x=±‌

8

√2

=±4√2
Hence, statement given in C is not correct.