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The shortest distance between the lines ...

The shortest distance between the lines `x+a=2y=-12z and x=y+2a=6z-6a` is

A

a

B

2a

C

4a

D

6a

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-THE DIMENSIONAL GEOMETRY -EXERCISE (LEVEL 2 (SINGLE CORRECT ANSWER TYPE QUESTIONS))
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