If the line, (x-3)/2=(y+2)/(-1)=(z+4)/3 ...

If the line, `(x-3)/2=(y+2)/(-1)=(z+4)/3` lies in the plane, `l x+m y-z=9` ,
then `l^2+m^2` is equal to:

A

18

B

5

C

2

D

26

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The correct Answer is:

C

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