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If the lines (x-1)/2=(y+1)/3=(z-1)/4a n ...

If the lines `(x-1)/2=(y+1)/3=(z-1)/4a n d(x-3)/1=(y-k)/2=z/1` intersect, then find the value of `kdot`

A

`-7/2`

B

`7/2`

C

`-9/2`

D

`9/2`

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The correct Answer is:
D
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