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If the two lines x+(a-1)y=1 and 2x+a^(2)...

If the two lines `x+(a-1)y=1` and `2x+a^(2)y=1`, `(a in R-{0})` are perpendicular , then the distance of their point of intersection from the origin is

A

`(2)/(sqrt5)`

B

`sqrt(2/5)`

C

`2/5`

D

`(sqrt2)/(5)`

Text Solution

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The correct Answer is:
B
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