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Two lines are given by (x-2y)^2+k(x-2y)=...

Two lines are given by `(x-2y)^2+k(x-2y)=0`. The value of `k` so that the distance between them is 3, is

A

k=0

B

`k=3sqrt5`

C

`k=-3sqrt5`

D

k=3

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The correct Answer is:
B, C
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