If the two lines x + (a – 1)y = 1 and 2x + a2 y = 1 (a ϵ R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is:

If the two lines x + (a – 1)y = 1 and 2x + a2 y = 1 (a ϵ R – {0,

1.	If the two lines x + (a – 1)y = 1 and 2x + a2 y = 1 (a ϵ R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is:
A.	\(\sqrt {\frac{2}{5}} \)
B.	\(\frac{2}{5}\)
C.	\(\frac{2}{{\sqrt 5 }}\)
D.	\(\frac{{\sqrt 2 }}{5}\)
Answer» B. \(\frac{2}{5}\)

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If the two lines x + (a – 1)y = 1 and 2x + a2 y = 1 (a ϵ R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is:

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