If the lines x - 2y - 6 = 0 , 3x + y - 4...

If the lines `x - 2y - 6 = 0 , 3x + y - 4 =0` and `lambda x +4y + lambda^(2) = 0 ` are concurrent , then

A

`lambda=2`

B

`lambda=2`

C

`lambda=4`

D

`lambda=-4`

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The correct Answer is:

A, D

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