The distance between the lines represented by $x^2+2 x y+y^2-8 m x-8 m y-9 m^2=0$ is

The distance between the lines represented by $x^2+2 x y+y^2-8 m x-8 m y-9 m^2=0$ is
  1. $2 \sqrt{5} m$
  2. $0$
  3. $\frac{5 m}{\sqrt{2}}$
  4. $5 \sqrt{2} \mathrm{~m}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

Practice more Pair of Lines questions on Aicharya