Question

Distance between two lines represented by the pair of straight lines $x^2-9y^2+3x-9y-4=0$, is

• A. $\frac{1}{2}$
• B. $\frac{5}{\sqrt{2}}$
• C. $\sqrt{10}$
• D. $\frac{\sqrt{5}}{2}$

Answer 1

Answer: (D)

Correct answer is (d) $\frac{\sqrt{5}}{2}$