Find the shortest distance between the f...

Find the shortest distance between the following pair of line:
`vecr=(1-t)hati+(t-2)hatj+(3-2t)hatk and vecr=(s+1)hati+(2s-1)hatj-(2s+1)hatk.`

A

(a) `(1)/(sqrt(29))`

B

(b) `(7)/(sqrt(29))`

C

(c) `(8)/(sqrt(29))`

D

(d) `(5)/(sqrt(29))`

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The correct Answer is:

C

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