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The shortest distance between the lines ...

The shortest distance between the lines `2x + y + z - 1 = 0 = 3x + y + 2z - 2` and `x = y = z`, is

A

`(1)/(sqrt2)` units

B

`(1)/(sqrt3)` units

C

`(1)/(sqrt4)` units

D

`(1)/(sqrt5)` units

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The correct Answer is:
A
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